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Worksheets

Mid-Term

Total questions: 120

Worksheet time: 2hrs 41mins

Name
Class
Date
1.

sharpening a pencil

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

2.

flammability of a substance

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

3.

size of an object

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

4.

inflating a tire

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

5.

freezing point

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

6.

drawing copper into a wire

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

7.

corrosion of a bicycle frame

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

8.

fragrance of a flower

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

9.

formation of water when hydrogen burns

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

10.

boiling water

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

11.

a burning candle

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

12.

oranges squeezed to make orange juice

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

13.

a change in size, shape, or state of matter

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

14.

a characteristic that indicates whether a substance can change to another substance

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

15.

a change of one substance to another

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

16.

a characteristic that can be observed without changing the substance

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

17.

boiling an egg

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

18.

milk going sour

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

19.

density

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

20.

sugar dissolving in water

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

21.
A substance's heating curve is shown in the graph.  What is its boiling point?
a)
100 C
b)
60 C
c)
80 C
d)
20 C
22.

What state/phase is the object likely from points A to B?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

23.

Is the substance gaining or losing energy?

a)

Gaining

b)

Losing

24.

Use the graph below to answer this question. What state of matter would the substance be at point F?

a)

solid

b)

liquid

c)

gas

25.

Use the graph below to answer this question. Which point on the graph represents the boiling point?

a)

B

b)

C

c)

D

d)

E

26.

Use the graph below to answer this question. At which point is the substance a solid?

a)

A

b)

C

c)

E

d)

F

27.

Use the graph below to answer this question. Which phase change is taking place if the substance is losing energy from point C to point B?

a)

melting

b)

freezing

c)

evaporation

d)

condensation

28.

What is happening to the particles in the substance between points A and B?

a)

Melting

b)

Freezing

c)

Speeding Up

d)

Slowing Down

29.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
30.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
31.
An object with which of the following densities will float on water?
a)
0.7 g/cm3
b)
1.2 g/cm3
c)
3.5 g/cm3
d)
11.4 g/cm3
32.
What is this tool to get mass?
a)
triple beam balance
b)
ruler
c)
thermometer
d)
graduate cylinder
33.
What is this tool to get volume?
a)
triple beam balance
b)
ruler
c)
thermometer
d)
graduate cylinder
34.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
35.
Calculate the density of the cube.
a)
3 g/cm3
b)
4 g/cm3
c)
2 g/cm3
d)
5 g/cm3
36.

Find the volume if you have a substance with a mass of 3.5g and a density of 7.5g/cm3

a)

26.25cm3

b)

2.14cm3

c)

.47cm3

d)

.79cm3

37.
What is the volume of the fish?
a)
18.0 cm3
b)
6.0 cm3 
c)
32.0 cm3
d)
38.0 cm3
38.
Find the density of a 2 cm x 2 cm x 2 cm cube with a mass of 64 g.
a)
6 cm3
b)
12 g/cm3
c)
128 g/cm3
d)
8  g/cm3
39.

The number of protons in the nucleus of an atom is called the --

a)

atom

b)

proton

c)

atomic mass number

d)

atomic number

40.

A subatomic particle that has a negative charge is called --

a)

a proton

b)

a neutron

c)

an electron

d)

the nucleus

41.

A neutron is ---

a)

a subatomic particle with a negative charge.

b)

a subatomic particle with a neutral charge.

c)

the center of the atom where subatomic particles are found.

d)

a subatomic particle with a positive charge.

42.

An arrangement of elements in order of their atomic numbers such that elements with similar properties fall in the same column or group.

a)

Atomic Number

b)

Electron Cloud

c)

Periodic Table

d)

Nucleus

43.

A subatomic particle with a positive charge is called --

a)

a proton

b)

a neutron

c)

an electron

d)

a nucleus

44.

The smallest unit of an element that maintains the properties of that element is known as--

a)

a proton

b)

a neutron

c)

an element

d)

an atom

45.

A region around the nucleus of an atom where electrons are found.

a)

Electron Nucleus

b)

Electron Cloud

c)

Cloud of Electrons

d)

Electron

46.

An atom's central region, which is made up of protons and neutrons is called--

a)

Electron Cloud

b)

Nucleolus

c)

Nucleus

d)

Atomic Number

47.

Which subatomic particle(s) are found in the nucleus of the atom? Choose all that apply.

a)

proton

b)

neutron

c)

electron

48.

What is the correct definition for isotopes?

a)

atoms with the same number of protons and neutrons

b)

Atoms with the same number of protons but different number of neutrons

c)

Atoms with the same number of neutrons but different number of protons

d)

Atoms with no mass

49.

What is the difference between these 3 Lithium isotopes?

a)

no difference

b)

they have the same atomic number

c)

they have the same mass number and atomic number

d)

they have different mass numbers

50.

atomic number = number of electrons = number of

(a)  

51.

mass number = atomic number + number of

(a)  

52.
What is an isotope? 
a)
A charged atom
b)
An atom with different amounts of neutrons
c)
An atom with different amounts of protons
d)
A neutral atom
53.
Different isotopes have...
a)
different masses
b)
different atomic numbers
c)
different electrons
d)
different protons
54.
How many neutrons does a Sodium 24 isotope have?
a)
12
b)
13
c)
14
d)
15
55.
How many neutrons does a Carbon 13 atom have?
a)
6
b)
5
c)
7
d)
8
56.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
57.
A vertical column is called...
a)
group
b)
tower
c)
period
d)
crew
58.
The atomic number of this pictured element is
a)
28
b)
58.6934
c)
Ni
d)
Nickel
59.
What is the atomic mass of Neon?
a)
10
b)
30
c)
10.18
d)
20.18
60.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
61.
How many neutrons are in a Gold atom?
a)
79
b)
196
c)
118
d)
275
62.

What family is highlighted in the picture?

a)

Alkali Metals

b)

Alkaline Earth Metals

c)

Halogens

d)

Noble Gases

63.

What family is highlighted in the picture?

a)

Alkali Metals

b)

Alkaline Earth Metals

c)

Halogens

d)

Noble Gases

64.

What family is highlighted in the picture?

a)

Boron Group

b)

Alkaline Earth Metals

c)

Transition Metals

d)

Lanthanides

65.

What family is yellow in the picture?

a)

Boron Group

b)

Carbon Group

c)

Transition Metals

d)

Noble Gases

66.

What family is dark purple in the picture?

a)

Boron Group

b)

Halogens

c)

Transition Metals

d)

Noble Gases

67.

What family is highlighted in the picture?

a)

Boron Group

b)

Halogens

c)

Transition Metals

d)

Noble Gases

68.

What group of metals is the MOST reactive?

a)

Transition Metals

b)

Metalloids

c)

Alkaline Earth Metals

d)

Alkali Metals

69.

What group of nonmetals is the MOST reactive?

a)

Noble Gases

b)

Nitrogen Group

c)

Halogens

d)

Lanthanides

70.

What are the majority of elements on the periodic table?

a)

Nonmetals

b)

Metals

c)

Metalloids

71.

What type of elements are red in the picture?

a)

Nonmetals

b)

Metals

c)

Metalloids

72.

What type of elements are green in the picture?

a)

Nonmetals

b)

Metals

c)

Metalloids

73.

What type of elements are blue in the picture?

a)

Nonmetals

b)

Metals

c)

Metalloids

74.

What does the Bohr Model represent?

a)

The structure of molecules

b)

The structure of the Solar System

c)

The structure of an atom

d)

The structure of East Hills

75.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

76.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

77.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

78.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

79.

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

80.

How many valence electrons?

a)

2

b)

4

c)

6

d)

8

81.

What group does this element belong to?

a)

1

b)

2

c)

17

d)

18

82.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

83.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
84.
an element will always have the same number of 
a)
neutrons
b)
protons
c)
isotopes
d)
atoms
85.
How are electrons arranged in an atom?
a)
In groups of five
b)
In energy levels
c)
By color
d)
By shape
86.

How many electrons can fit on the 1st energy level (orbital) for any Bohr Model?

a)

2

b)

6

c)

8

d)

10

87.

What is the mass of this atom?

a)

9

b)

10

c)

19

d)

28

88.

How many electrons can go in the Second energy level?

a)

2

b)

8

c)

18

d)

32

89.

What is a Lewis Dot Structure?

a)

It shows all of the particles in the atom.

b)

Contains protons and neutrons

c)

Only shows the element symbol and it's outer most electron shell

d)

Contains protons and electrons

90.

Is this a correct dot diagram for fluorine (F)

a)

Yes

b)

No

91.
How many electrons should Nitrogen have around its Lewis dot model?
a)
1
b)
3
c)
4
d)
5
92.

Nonmetals tend to

a)

gain electrons

b)

lose electrons

93.

Metals tend to

a)

gain electrons

b)

lose electrons

94.
If my charge becomes 2+ what does that say about me?
a)
I am stealing 2 electrons
b)
I am losing 2 electrons
c)
I am in period 2
d)
I have an atomic # of 2
95.
If I gain electrons I become
a)
Positive because I've added to my atom
b)
negative because I've added electrons
c)
same because i'm balanced
d)
equal because now I have electrons
96.
When metals bond with non-metals they form what type of bonds
a)
covalent
b)
ionic
c)
cooperative
d)
lewis
97.
How do the following two elements bond together?
Cr3+  O2-         
a)
CrO
b)
Cr3O2
c)
Cr2O3
d)
CrO3
98.
How do the following two elements bond together?
K1+  S2- 
a)
KS
b)
K8S
c)
K6S3
d)
K2S
99.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
100.
AgF
a)
silver fluoride
b)
silver fluorine
c)
monosilver monofluoride
d)
silver monofluorine
101.

When a nonmetal gains electrons, it becomes this type of ion.

a)

Anion

b)

Cation

102.

When a metal loses electrons, it becomes this type of ion.

a)

anion

b)

cation

103.
When an ionic compound is formed, its charge is 
a)
negative
b)
neutral (no charge)
c)
positive
104.
Nonmetals form ____ by ____ electrons.
a)
Cations, gaining
b)
Cations, losing
c)
Anions, gaining
d)
Anions, losing
105.
Which of the following BEST describes ionic bonds?
a)
Bond held together by a sea of electrons
b)
Bond of two ions of opposite charges held together by electrostatic forces
c)
Bond held together by the sharing of electrons
d)
Bond between hydrogen and an anion or polyatomic ion.
106.

Why do ionic compounds have high melting and boiling points?

a)

Because they are solid

b)

Because the ionic bond is strong.

c)

Because they have a strong hold on their electrons

107.

At which state is the ionic compound capable of conducting electricity

a)

gas

b)

liquid

c)

solid

108.

The name of FeCl₂ is

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

109.

LiBr is called

a)

lithium bromine

b)

lithium (I) bromine

c)

lithium bromide

d)

lithuim (I) bromide

110.

Which of these combinations is an ionic compound made of?

a)

Metal and Metal

b)

Nonmetal and Nonmetal

c)

Metal and Nonmetal

d)

Cation and Cation

111.

Name the following ionic compound: BeCl2

a)

beryllium chlorine

b)

beryllium II chloride

c)

beryllium chloride

d)

beryllium dichloride

112.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
113.
What is the formula for manganese(III) oxide?
a)
MgO
b)
Mg2O3
c)
MnO
d)
Mn2O3
114.
From the following ionic compounds, choose the name-formula pair that is not correctly matched.
a)
sodium sulfide  Na2S
b)
ammonium nitrate 
NH4NO3
c)
sodium sulfate 
Na2SO3
d)
calcium oxide  CaO
115.
The chemical formula of Iron (III)bromide is
a)
FeBr
b)
Fe(III)Br
c)
FeBr₃
d)
Fe₂Br₃
116.

When naming ionic compounds with transition metals you need to include roman numerals to show the _____ of the metal..

a)

atomic number

b)

mass number

c)

charge

d)

ionization energy

117.

Which of the following combinations would need roman numerals in the name?

a)

potassium + fluorine

b)

beryllium + oxygen

c)

boron + iodine

d)

gold + oxygen

118.

The name of FeCl₂ is

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

119.

When naming a compound, which of these is written first?

a)

Metal

b)

Nonmetal

c)

Anion

d)

Cation

120.

When naming a compound, what must the last part be?

a)

the element with "ide" at the end

b)

the element with the ending "ite"

c)

the name of the element

d)

the element with "ide" at the end, unless its a polyatomic ion

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