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Review of Intro to Chemistry

Total questions: 251

Worksheet time: 9hrs 11mins

Name
Class
Date
1.
What is the atomic number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
2.
What is the mass number defined as?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
3.

What is the atomic number of Barium, Ba? (enlarge the periodic table)

a)

20

b)

38

c)

56

d)

88

4.

What is the atomic number of Nickel? (enlarge the periodic table)

a)

110

b)

28

c)

46

d)

78

5.

How many protons are in a sodium atom, Na? (tap to enlarge the periodic table)

a)

Sodium has 1 proton.

b)

Sodium has 3 protons.

c)

Sodium has 11 protons

6.

An element has the mass number 12 and atomic number 6. The number of neutrons in it is:

a)

6

b)

10

c)

4

d)

8

7.

An element has the mass number 48 and atomic number 22. The number of neutrons in it is:

a)

26

b)

22

c)

48

d)

70

8.
How many neutrons does oxygen have?
a)
16
b)
15.99
c)
8
d)
Doesn't contain any neutrons
9.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

10.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
11.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
12.
How many electrons does potassium K contain? (click to see image)
a)
19
b)
39
c)
20
d)
40
13.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
14.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
15.

How many electrons does an Iodine atom have?

a)

53

b)

126

c)

73

d)

179

16.

How many neutrons does an Oxygen atom have?

a)

8

b)

16

c)

24

d)

7.999

17.
How many protons are in Beryllium?
a)
4
b)
9
c)
5
d)
2
18.
The total number of protons and neutrons in an atom is called the...
a)
Atomic number
b)
Proton number
c)
Mass number
d)
Weight number
19.
What is atomic number?
a)
Number of protons in an atoms 
b)
Number of neutrons in an atom
c)
Mass of an atom
d)
Charge on an atom
20.

The atomic number of an element is the number of ____________, and therefore the number of ___________in an atom.

a)

electrons

b)

neutrons

c)

protons

21.

The atomic mass of an element is the number of ____________+ _______________in an atom.

a)

electrons

b)

neutrons

c)

protons

22.

To get the number of neutrons in an atoms, _______________ the atomic mass and atomic number.

a)

add

b)

subtract

c)

multiply

d)

divide

23.

Elements are known (named) based on the number of ____________ in their atom.

a)

electrons

b)

neutrons

c)

ions

d)

protons

24.

What is the atomic mass of Neon?

a)

10

b)

20

c)

30

25.

How many neutrons does Chlorine have?

a)

18

b)

17

c)

35

d)

52

26.

What is the atomic number?

a)

35

b)

18

c)

17

d)

52

27.

Each box on the Periodic Table represents

a)

One chemical reaction of that element

b)

One atom of that element

c)

One molecule of that element

d)

One electron of that element

28.

The rows on the Periodic Table are called

a)

periods

b)

groups

c)

family

d)

columns

29.

Which of the following is NOT a way the Periodic Table is organized?

a)

atomic number

b)

atomic mass

c)

alphabetical order

d)

groups and periods

30.

The number 1.008 on this square is the

a)

atomic number

b)

atomic mass

c)

chemical symbol

d)

how many electrons it has

31.

How many different elements make up this molecule?

a)

2

b)

3

c)

1

d)

4

32.

Elements that act like both a metal and a nonmetal are called ______.

a)

reactors

b)

families

c)

metalloids

d)

subscripts

33.

Properties of metals include all of the following except

a)

magnetic

b)

dull

c)

conductive

d)

malleable

34.

Most of an atoms mass is made up in the nucleus from which two particles

a)

protons and electrons

b)

neutrons and electrons

c)

neutrons and protons

35.

Metals make up ________ of the Periodic Table.

a)

one period

b)

most

c)

5 elements

d)

the right side

36.

What did Dmitri invent?

a)

book

b)

Periodic Table

c)

Russian currency

d)

Calculator

37.
What does brittle mean?
a)
shiny
b)
able to be hammered into different shapes
c)
able to be drawn into a wire
d)
breaks or shatters easily
38.
What is a conductor?
a)
Heat and electricity move through them easily
b)
able to be drawn into a wire
c)
able to be hammered into different shapes
d)
shiny
39.
What does it mean to be ductile?
a)
able to be hammered into different shapes
b)
able to be drawn into a wire
c)
heavy for their size
d)
break or shatter easily
40.
What is high density?
a)
able to be drawn into a wire
b)
a substance that has both metal and nonmetal properties
c)
lustrous and shiny
d)
heavy for its size
41.
Where are metalloids located on the periodic table?
a)
to the right of nonmetals
b)
along the zig-zag line
c)
to the left of the zig-zag line
d)
to the right of the zig-zag line
42.
A substance that is shiny and a good conductor would be classified as a
a)
nonmetal
b)
metalloid
c)
metal
d)
metallica
43.
A substance that is dull, brittle, and a nonconductor would be classified as a
a)
metal
b)
nonnmetal
c)
metalloid
d)
metallica
44.
A substance that can be hammered into different shapes would be classified as a 
a)
metal
b)
nonmetal
c)
metalloid
d)
metallica
45.
A shiny and malleable substance that is not a good conductor of electricity
a)
metal
b)
nonmetal
c)
metalloid
d)
metallica
46.
Aluminum can be hammered into different shapes or rolled into flat sheets. This means Aluminum is 
a)
ductile
b)
malleable
c)
lustrous
d)
high density
47.
Carbon is dull and brittle. Carbon is a 
a)
metal
b)
nonmetal
c)
metalloid
d)
metallica
48.
Metals are located on the 
a)
right side of the zig-zag line
b)
left side of the zig-zag line
c)
along the zig-zag line
49.
Nonmetals are found
a)
to the left of the zig-zag line
b)
to the right of the zig-zag line
c)
along the zig-zag line
50.
What is the atomic number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
51.
What is the mass number defined as?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
52.

What is the atomic number of Barium, Ba? (enlarge the periodic table)

a)

20

b)

38

c)

56

d)

88

53.

What is the atomic number of Nickel? (enlarge the periodic table)

a)

110

b)

28

c)

46

d)

78

54.

How many protons are in a sodium atom, Na? (tap to enlarge the periodic table)

a)

Sodium has 1 proton.

b)

Sodium has 3 protons.

c)

Sodium has 11 protons

55.

An element has the mass number 12 and atomic number 6. The number of neutrons in it is:

a)

6

b)

10

c)

4

d)

8

56.

An element has the mass number 48 and atomic number 22. The number of neutrons in it is:

a)

26

b)

22

c)

48

d)

70

57.
How many neutrons does oxygen have?
a)
16
b)
15.99
c)
8
d)
Doesn't contain any neutrons
58.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

59.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
60.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
61.
How many electrons does potassium K contain? (click to see image)
a)
19
b)
39
c)
20
d)
40
62.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
63.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
64.

How many electrons does an Iodine atom have?

a)

53

b)

126

c)

73

d)

179

65.

How many neutrons does an Oxygen atom have?

a)

8

b)

16

c)

24

d)

7.999

66.
How many protons are in Beryllium?
a)
4
b)
9
c)
5
d)
2
67.
The total number of protons and neutrons in an atom is called the...
a)
Atomic number
b)
Proton number
c)
Mass number
d)
Weight number
68.
What is atomic number?
a)
Number of protons in an atoms 
b)
Number of neutrons in an atom
c)
Mass of an atom
d)
Charge on an atom
69.

The atomic number of an element is the number of ____________, and therefore the number of ___________in an atom.

a)

electrons

b)

neutrons

c)

protons

70.

The atomic mass of an element is the number of ____________+ _______________in an atom.

a)

electrons

b)

neutrons

c)

protons

71.

To get the number of neutrons in an atoms, _______________ the atomic mass and atomic number.

a)

add

b)

subtract

c)

multiply

d)

divide

72.

Elements are known (named) based on the number of ____________ in their atom.

a)

electrons

b)

neutrons

c)

ions

d)

protons

73.

What is the atomic mass of Neon?

a)

10

b)

20

c)

30

74.

How many neutrons does Chlorine have?

a)

18

b)

17

c)

35

d)

52

75.

What is the atomic number?

a)

35

b)

18

c)

17

d)

52

76.

Select all that apply: which of the following are characteristics of metals?

a)

malleable and ductile

b)

brittle

c)

good conductor

d)

poor conductor (insulator)

e)

high luster (lustrous)

77.

Select all that apply: which of the following are characteristics of nonmetals?

a)

mostly brittle solids or gasses

b)

malleable and ductile

c)

poor conductors (insulators)

d)

dull (no luster)

78.

A substance that may have properties of both metals and nonmetals is called a --

a)

Metal

b)

Nonmetal

c)

Metalloid

79.

This material has high luster, is malleable, ductile, and conducts heat and electricity very well. What should this be classified as?

a)

Metal

b)

Nonmetal

c)

Metalloid

80.

This material has low luster, is malleable, is NOT ductile, and is semi-conductive.

a)

Metal

b)

Nonmetal

c)

Metalloid

81.

The Period is -

a)

the row -->

b)

the column |

82.

The Group is -

a)

the row -->

b)

the column |

83.

With the exception of Hydrogen, everything on the left <-- side of the zig-zag (river) line is a -

a)

metal

b)

nonmetal

c)

metalloid

84.

With the exception of Hydrogen, everything on the right --> side of the zig-zag (river) line is a -

a)

metal

b)

nonmetal

c)

metalloid

85.

The zig-zag (river) line represents the -

a)

metals

b)

nonmetals

c)

metalloids

86.
What is the atomic number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
87.
What is the mass number defined as?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
88.

What is the atomic number of Barium, Ba? (enlarge the periodic table)

a)

20

b)

38

c)

56

d)

88

89.

What is the atomic number of Nickel? (enlarge the periodic table)

a)

110

b)

28

c)

46

d)

78

90.

How many protons are in a sodium atom, Na? (tap to enlarge the periodic table)

a)

Sodium has 1 proton.

b)

Sodium has 3 protons.

c)

Sodium has 11 protons

91.

An element has the mass number 12 and atomic number 6. The number of neutrons in it is:

a)

6

b)

10

c)

4

d)

8

92.
Oxygen has 8 protons. What is oxygen's atomic number?
a)
16
b)
8
c)
15.999
d)
0
93.
A neutral atom of Carbon-13 has ________ electrons and _________ neutrons
a)
13, 13
b)
6, 7
c)
7, 7
d)
6, 6
94.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
95.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
96.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
97.
The particles that are found in the nucleus of an atom are
a)
neutrons and electrons
b)
electrons only
c)
protons and neutrons
d)
protons and electrons
98.
The central region of an atom where its neutrons and protons are is called the
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
99.
The smallest part of an element is known as the 
a)
Periodic Table
b)
Atom
c)
Group
d)
Period
100.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
101.
The amount of space something takes up
a)
density
b)
volume
c)
mass
d)
matter
102.
The amount of matter something contains is its ______________.
a)
gas
b)
solid
c)
weight
d)
mass
103.

Two or more atoms joined together for a(n)...

a)

Element

b)

Compound

c)

Molecule

d)

Mixture

104.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
105.
An element is made up of only one kind of _____.
a)
isotope
b)
plastic
c)
atom
d)
metal
106.

The smallest particle into which an element can be divided and still be the same element is a(n)

a)

proton

b)

neutron

c)

electron

d)

atom

107.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
108.

The positive particles of an atom are

a)

electrons

b)

positrons

c)

neutrons

d)

protons

109.
How do covalent bonds form?
a)
Donating & receiving valence e- between atoms.
b)
Opposite slight charges attract each other between compounds.
c)
Scientists are still not sure how they form.
d)
Sharing valence e- between atoms.
110.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
111.
Covalent bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
112.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
113.
How are covalent bonds formed?
a)
Sharing of electrons
b)
Transfer of electrons
114.
H2O
a)
Ionic Bond
b)
Covalent Bond
c)
Both bonds
d)
Neither bond
115.
Low melting point
a)
Ionic Bonds
b)
Covalent Bonds
c)
Both bonds
d)
Neither bond
116.
Dense and poor conductors
a)
Ionic Bonds
b)
Covalent Bonds
c)
Both bonds
d)
Neither bond
117.

What is a positive ion called?

a)

anion

b)

cation

c)

isotope

d)

covalent

118.

What is a negative ion called?

a)

anion

b)

cation

c)

covalent

d)

isotope

119.

The Law of Conservation of Mass says that matter can neither be __________ or __________.

a)

created; destroyed

b)

recycled; renewed

c)

subtracted; added

d)

joined; separated

120.
What does the principle of conservation of mass mean?
a)
The total mass of the reactants is more than the products
b)
Matter is not created or destroyed
c)
The total mass of the reactants is less than the products
121.

During a chemical reaction matter cannot be created or destroyed.

a)

True

b)

False

122.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
123.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
124.

What does the number 4 represent in 4NH3?

a)

Subscript

b)

Superscript

c)

Coefficient

125.

Is this equation balanced?

a)

Yes

b)

No

126.
In chemical reactions, what does the principle of conservation of mass mean?
a)
Matter is not created or destroyed.
b)
The total mass of the reactants is greater than the total mass of the products.
c)
The total mass of the reactants is less than the total mass of the products.
d)
Matter is not changed.
127.
How many Oxygen (O) atoms are in 2C2HO8Cl2
a)
2
b)
16
c)
8
d)
5
128.

How many elements are in C6H12O6?

a)

1

b)

6

c)

3

d)

24

129.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
130.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
131.
Which one is a compound?
a)
Co
b)
Br
c)
Fe
d)
CO
132.
How many elements are found in the following molecule? Mg(ClO3)2
a)
1
b)
4
c)
3
d)
5
133.
Element or compound?
H2O
a)
element
b)
compound
134.

C2H6 + 5O2 → 2CO2 + 3H2O2C_2H_6\ +\ 5O_2\ \rightarrow\ 2CO_2\ +\ 3H_2O_2  
Given this chemical equation, what are the REACTANTS?

a)

C2H6 and 5O2C_2H_{6\ }and\ 5O_2  

b)

2CO2 and 3H2O22CO_2\ and\ 3H_2O_2  

135.

Is this equation balanced?

a)

Yes

b)

No

136.

Is this equation balanced?

a)

Yes

b)

No

137.

Is this equation balanced?

a)

Yes

b)

No

138.
Which problem is balanced?
(Check ALL answers)
a)
PbO2 + 2H2
b)
SO2 + H20 --> H2SO4
c)
2Na + 2H2O --> 2NaOH + H2
139.
How many oxygens are in Al₂(SO₄)₃?
a)
4
b)
12
c)
7
d)
24
140.

Balance this equation...
H2H_2   +  Cl2Cl_2    →\rightarrow    HClHCl  

a)

It is balanced 

b)

3H2 + Cl2 --> 6H2Cl

c)

H2 + Cl2 --> 2HCl

141.

Chemical Equation

a)

A representation of a chemical reaction

b)

the starting materials in a chemical reaction

c)

the new substances that are formed in a chemical reaction

d)

tells how many atoms, molecules, or formula units take part in a reaction

142.

The ARROW symbol in a chemical equation means __.

a)

equals

b)

yields

c)

less than

d)

great than

143.

In the chemical equation below, what is the PRODUCT?

NaCl → Na + Cl

a)

Na + Cl

b)

NaCl

c)

→

d)

N

144.

In the chemical equation below, what is the REACTANT?

CO2 → C + O2

a)

→

b)

C + O2

c)

CO2

d)

physical change

145.

Fe + O3 → FeO3 shows a ___ has occurred.

a)

chemical change

b)

physical reaction

c)

physical change

d)

no change

146.

TRUE or FALSE:

A chemical equation is a mathematical equation that shows a chemical reaction.

a)

TRUE

b)

FALSE

147.

The side of the chemical equation where two or more elements REACT, is the called the ___.

a)

reactants

b)

product

c)

yields

148.

In a chemical equation, what is PRODUCED or what is on the RIGHT is called the __.

a)

reactants

b)

product

c)

yields

149.

TRUE or FALSE:

The YIELD sign always points to the REACTANTS.

a)

FALSE

b)

TRUE

150.

Which are the following are evidence of a CHEMICAL REACTION?

a)

bubbles or producing a gas

b)

new substance is formed

c)

burning

d)

acid is produced

e)

change in state

151.

C12 + H22 + O11 → C12H22O11


How many Carbon, C, atoms are in the PRODUCT of this equation?

a)

12

b)

24

c)

11

d)

22

152.

Is this chemical equation BALANCED?

C + 02 → CO

a)

NO

b)

YES

153.
In chemical reactions, what does the principle of conservation of mass mean?
a)
Matter is not created or destroyed.
b)
The total mass of the reactants is greater than the total mass of the products.
c)
The total mass of the reactants is less than the total mass of the products.
d)
Matter is not changed.
154.

Which is the Law of Conservation of Matter?

a)

matter cannot be created or destroyed, it only rearranges

b)

matter can be created but it cannot be destroyed, it never rearranges

c)

matter can be destroyed but it cannot be created, it usually just rearranges

d)

matter is an unproven theory created by Hans Geiger

155.
At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?
a)
the product is doubled
b)
the product is half the mass of the reactants
c)
the mass is the same
d)
the mass changes depending on the reaction
156.
Chemical reactions occur when _________ are broken and new bonds are formed.
a)
mixtures
b)
osteoclasts
c)
physical bonds
d)
chemical bonds
157.

The products of a reaction have the same ________as the reactants.

a)

molecule

b)

atoms

c)

subscripts

d)

coefficients

158.
What is the left part of a chemical equation called?
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
159.
What is the right part of a chemical equation called...
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
160.

a scientific principle that states mass cannot be created or destroyed during ordinary physical or chemical changes


mass of reactants = mass of products

a)

law of conservation of mass

b)

law of configuration

c)

newtons law

161.

starting material in a chemical reaction

a)

subscript

b)

coeffient

c)

reactants

162.

a substance that is created during a chemical reaction

a)

reactant

b)

product

c)

subscript

163.

Arrow in equation means

a)

product

b)

reactant

c)

yield

164.

A group of chemical symbols and numbers to show number of atoms of each element in a molecule

a)

reactant

b)

Chemical Formula

c)

product

165.

Number IN FRONT of reactants or products

a)

product

b)

reactant

c)

coefficient

d)

subscript

166.

Number BELOW on an element

a)

product

b)

reactant

c)

subscript

d)

coefficient

167.

one or two letters representing a chemical element.

a)

subscript

b)

coefficient

c)

chemical symbol

168.

a series of symbols and formulas that represents a chemical reaction

a)

reactant

b)

product

c)

Chemical equation

169.

What is the atomic number of this atom?

a)

2

b)

4

c)

6

d)

8

170.

What is a valence electron?

a)

Electrons in the first energy shell

b)

Electrons in the second energy shell

c)

Electrons in the outer shell

d)

Total number of electrons

171.

How many VALENCE ELECTRONS does this Atom have?

a)

2

b)

4

c)

6

d)

12

172.

What is a valence electron?

a)

Electrons in the first energy shell

b)

Electrons in the second energy shell

c)

Electrons in the outer shell

d)

Total number of electrons

173.
How many valence electrons?
a)
2
b)
3
c)
5
d)
10
174.

The innermost energy level has a maximum of how many electrons?

a)

1

b)

2

c)

6

d)

8

175.
How many electrons does potassium K contain? (click to see image)
a)
19
b)
39
c)
20
d)
40
176.

Which atom has 4 protons, 4 neutrons, and 5 electrons?

a)
b)
c)
d)
177.

How many VALENCE ELECTRONS does this Atom have?

a)

2

b)

4

c)

6

d)

12

178.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

179.

How many valence electrons?

a)

2

b)

4

c)

6

d)

8

180.

What is a subatomic particle that has a positive charge and that is found in the nucleus of an atom?

a)

Neutron

b)

Electron

c)

Proton

181.

What is a subatomic particle that has a positive charge and that is found in the nucleus of an atom?

a)

Neutron

b)

Electron

c)

Proton

182.

What is a subatomic particle that has no charge and that is found in the nucleus of an atom?

a)

Electron

b)

Neutron

c)

Proton

183.

What is a subatomic particle that has a negative charge and found outside the nucleus?

a)

Electron

b)

Neutron

c)

Proton

184.

What are electrons on the outermost energy level of an atom?

a)

Atomic

b)

Subscript

c)

Electron

d)

Valence

185.

What are the number of protons and neutrons in an atom?

a)

Atomic Number

b)

Atomic Mass

c)

Valence Electron

d)

Compound

186.

What are the number of protons in the nucleus of an atom of an element?

a)

Element

b)

Atomic Mass

c)

Atomic Number

187.

What are substances that cannot be broken down into simpler substances because its only made of one kind of atom?

a)

Molecule

b)

Mineral

c)

Compound

d)

Element

188.

What are two or more atoms held together by covalent bonds?

a)

Molecule

b)

Mineral

c)

Compound

d)

Element

189.

What are substances produced in a chemical reaction?

a)

Reactors

b)

Products

c)

Producers

d)

Reactants

190.

What is a substance that takes part in and undergoes change when mixed together?

a)

Reactor

b)

Product

c)

Reactant

d)

Producer

191.

What is the degree of compactness of a substance?

a)

Density

b)

Volume

c)

Mass

192.

What is the amount of space an object takes up?

a)

Density

b)

Mass

c)

Volume

193.

What do we call the physical property that's easily broken or not flexable?

a)

Malleable

b)

Brittle

c)

Luster

d)

Ductile

194.

What is term used to describe a material that can be pulled out into a long wire?

a)

Ductile

b)

Brittle

c)

Luster

d)

Malleable

195.

What is the quality of giving off light, brightness, glitter, brilliance?

a)

Brittle

b)

Luster

c)

Ductile

d)

Malleable

196.

What is the physical property that is capable of being changed; easily shaped?

a)

Ductile

b)

Brittle

c)

Malleable

d)

Luster

197.

What is a number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction?

a)

Subscript

b)

Coefficient

c)

Atomic Number

198.

What is a number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound?

a)

Subscript

b)

Coefficient

c)

Atomic Number

199.

What is a substance made up of atoms of two or more different elements joined by chemical bonds?

a)

Reactant

b)

Molecule

c)

Compound

d)

Product

200.

What is the control center of the cell?

a)

Nucleus

b)

Atom

c)

Neutron

d)

Nucleolus

201.

the ability of a substance to change.

a)

Reactivity

b)

Metalloid

c)

Compound

d)

State of Matter

202.

anything that has mass and takes up space.

a)

matter

b)

mixture

c)

atom

d)

element

203.

matter made of two or more elements (chemically bonded/cannot be separated by physical means)

a)

compound

b)

atom

c)

element

d)

mass

204.

smallest unit of an element

a)

atom

b)

matter

c)

compound

d)

metal

205.

two or more substances combined (mixed) physically, but not chemically.

a)

mixture

b)

compound

c)

element

d)

atom

206.

a substance that is the building block of all matter (made of one kind of atom).

a)

element

b)

atom

c)

compound

d)

mixture

207.

measurable amount of matter.

a)

mass

b)

reactivity

c)

state of matter

d)

mixture

208.

Irreversible change (metal rusting)

a)

Chemical Change

b)

Physical Change

c)

Formula

d)

Equation

209.

Reversible change (freezing liquid)

a)

Chemical Change

b)

Physical Change

c)

Chemical Formula

d)

Equation

210.

What is the smallest part of a chemical element that can exist?

(a)  

211.

What is a pure form of matter than cannot be broken down into simpler substances?

(a)  

212.

A positively charged subatomic particle located in the nucleus.

a)

compound

b)

compound

c)

electron

d)

proton

213.

A _____ is a subatomic particle that has no charge

a)

atom

b)

proton

c)

electron

d)

neutron

214.
Valence electrons are the...
a)
Innermost electrons
b)
Middle electrons
c)
Outermost electrons
d)
Any electrons
215.
A substance that is made of one type of atom.
a)
Element
b)
Atom
c)
Water
d)
Salt
216.
An arrangement of the elements showing the repeating pattern of their properties.
a)
Chemical Table
b)
Periodic Table
c)
Table of Elements
d)
None of These
217.
A class of elements characterized by physical properties that include shininess, malleability, ductility, and conductivity.
a)
nonmetals
b)
metalloids
c)
metals
d)
gases
218.
Elements in the same vertical column of the periodic table; also called family.
a)
period
b)
row
c)
group
d)
vertigo
219.
A horizontal row of elements in the periodic table.
a)
column
b)
group
c)
period
d)
family
220.
A substance that can conduct electric current under some conditions.
a)
Transition metal
b)
Semiconductor
c)
Metalloid
d)
Super conductor
221.
_____ - is an element that is generally shiny.
a)
Metals
b)
Nonmetals
c)
Metalloids
222.
_____ - describes the ability of metal to reflect light.
a)
Ductility
b)
Luster
c)
Malleability
d)
Conductivity
223.
_____ - how well it allows electricity to move through.
a)
Ductility
b)
Luster
c)
Malleability
d)
Conductivity
224.
_____ - conducts electricity at high temperatures.
a)
Ductility
b)
Semiconductors
c)
Malleability
d)
Conductivity
225.
____ - is the ability of a substance to be hammered or rolled into sheets
a)
Ductility
b)
Semiconductors
c)
Malleability
d)
Conductivity
226.
_____ - is the ability of a substance to be pulled into thin wires.
a)
Ductility
b)
Semiconductors
c)
Malleability
d)
Conductivity
227.

Identify the vocabulary term that means:


Number of protons in the nucleus of an atom

a)

Valence Electron

b)

Mass Number

c)

Atomic Number

228.

Identify the vocabulary term that means:


Electron that is found in the outermost shell of an atom and determines the atom's chemical properties

a)

Bohr Model

b)

Isotope

c)

Valence Electron

229.

Identify the vocabulary term that means:


Ion with a negative charge; Nonmetals gain electrons and form

a)

Cation

b)

Anion

c)

Isotope

230.

Identify the vocabulary term that means:


Diagram that shows the atom as a nucleus surrounded by electrons that travel in circular orbits about the nucleus

a)

Bohr Model

b)

Isotope

c)

Valence Electron

231.

Identify the vocabulary term that means:


Metals lose electrons and form

a)

Cation

b)

Anion

c)

Isotope

232.

Identify the vocabulary term that means:


Subatomic particle that has a negative charge.

a)

Proton

b)

Neutron

c)

Electron

233.

Exothermic

a)

chemical reaction that releases energy

b)

chemical reaction that absorbs energy

234.

Endothermic

a)

Chemical reaction that releases energy

b)

Chemical reaction that absorbs energy

235.

Who is the creator of the periodic table of elements?

a)

Hank Green

b)

Dmitri Mendeleev

c)

De Chancourtois

d)

Michael Aranda

236.

In chemistry, __________________ is the combining power of an element.

a)

ionic bonding

b)

covalent bonding

c)

energy

d)

valency

237.

A substance that is formed as the result of a chemical reaction is a __________________

a)

Product

b)

Reactant

c)

Starters

d)

Enders

238.
In a ___________change, a substance changes into a different substance.
a)
Physical
b)
Chemical
239.
In a chemical reaction, bonds are broken and new bonds are formed that create new substances. The bonds that are broken are called what?
a)
Reactants
b)
Products
c)
Atoms
d)
Catalysts
240.

What is the BEST definition of a chemical reaction?

a)

A change in matter that produces one or more NEW substances

b)

When two things combine and EXPLODE.

241.
The left side of the equation below is called
a)
Products
b)
Reactants
242.
The right side of the equation below is called the
a)
products
b)
reactants
243.
The compounds and elements that are present at the beginning of a reaction:
a)
reactants
b)
catalyst
c)
products
d)
energy 
244.
The amount of space something takes up.
a)
matter
b)
mass
c)
volume
d)
element
245.
Anything that has mass and takes up space.
a)
volume
b)
matter
c)
solid
d)
temperature
246.

What is the definition of chemistry?

a)

The study of matter

b)

The study of substances and objects that can be seen, touched, and measured directly

c)

The small particles that make up all matter

d)

The use of philosophy and science performed by early chemists

247.

The total energy of all the particles in a sample of matter is called —————.

It makes things hot or warm.

a)

Total Energy

b)

Thermal Energy

c)

Kinetic Energy

d)

Particle Energy

248.

Not reacting or changing easily; an inert substance stays the same during a reaction.


a)

conductivity

b)

Inert

c)

Energy

d)

Able

249.

A substance that speeds up a reaction without being used up.


a)

Catalyst

b)

Solubility

c)

Viscosity

d)

Subscript

250.

Viscosity

a)

how much wind blows per minute

b)

How thick or sticky a liquid is

c)

How fast something moves

d)

How slow something moves

251.

To make or create something, such as a chemical reaction producing gas or heat.

a)

wander

b)

produce

c)

react

d)

equals

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8th Grade - University