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1st Half Final

Total questions: 118

Worksheet time: 2hrs 49mins

Name
Class
Date
1.

What do atoms look like in a solid?

a)
b)
c)
2.

What do atoms look like in a gas?

a)
b)
c)
3.

What do atoms look like in a liquid?

a)
b)
c)
4.

What changes when you add a proton?

a)

Element

b)

Charge

c)

Mass

5.

What changes when you add a neutron?

a)

Element

b)

Charge

c)

Mass

6.

What changes when you add an electron?

a)

Element

b)

Charge

c)

Mass

7.

When you take away a proton, how does the atom change?

a)

It becomes positive

b)

It becomes negative

c)

Its weight increases

d)

Its weight decreases

8.

When you take add a neutron, how does the atom change?

a)

It becomes positive

b)

It becomes negative

c)

Its weight increases

d)

Its weight decreases

9.

When you take ADD an electron, how does the atom change?

a)

It becomes positive

b)

It becomes negative

c)

Its weight increases

d)

Its weight decreases

10.

The positive particle in an atom.

a)

proton

b)

neutron

c)

electron

d)

electron cloud

11.
What is the atomic number?
a)
number of protons
b)
number of neutrons
12.
What number indicates the nucleus?
a)
1
b)
2
c)
3
d)
4
13.
What number indicates an electron?
a)
1
b)
2
c)
3
d)
4
14.
What number indicates the nucleus?
a)
1
b)
2
c)
3
d)
4
15.
Which statement best describes an electron?
a)
Smaller mass than a proton and a negative charge
b)
Smaller mass than a proton and a positive charge
c)
Greater mass than a proton and a negative charge
d)
Greater mass than a proton and a positive charge
16.
Oxygen’s atomic number is 8. This means that an oxygen atom must have
a)
8 electrons
b)
8 protons
c)
8 neutrons
d)
a mass number of 8
17.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
18.
Which two particles make up the nucleus of an atom?
a)
Protons and Electrons
b)
Protons and Neutrons
c)
Molecules and Compounds
d)
Neutrons and Electrons
19.
The particles with no charge in an atom are the _______.
a)
electrons
b)
neutrons
c)
protons
d)
protons and neutrons
20.
The negatively charged particles of an atom are the ______.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
21.
Most of the atom is filled with
a)
electrons
b)
empty space
c)
the nucleus
d)
protons
22.
An atom with atomic number 6 would have how many protons?
a)
6
b)
12
c)
3
d)
cannot be determined 
23.
What is the tiniest particle in the entire universe?
a)
cells
b)
gases
c)
atoms
d)
liquids
24.
What is the name of a single type of atom?
a)
cell
b)
proton
c)
element
d)
atom
25.
What is the term for combining 2 or more atoms together?
a)
atoms
b)
elements
c)
molecules
d)
compounds
26.
What is the term for combining 2 or more DIFFERENT atoms together?
a)
atoms
b)
elements
c)
molecules
d)
compounds
27.
What is the picture displayed?
a)
Atom
b)
Element
c)
Molecule
d)
Compound
28.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
29.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
30.

This diagram represents...

a)

An element

b)

A molecule

c)

A compound

d)

A mixture of elements and compounds

31.

The mass # tells us the mass of the atom. Which two subatomic particles make up the mass of the atom?

a)

protons and electrons

b)

neutrons and electrons

c)

Kyrontrons and Kytrons

d)

protons and neutrons

32.

What can you do to find the number of neutrons in an atom?

a)

It's the same as the atomic #.

b)

Ask Sierra!

c)

Subtract the atomic # (protons) from the mass # (protons and neutrons)

d)

Multiply the mass # (protons and neutrons) and the atomic # (protons)

33.

What do we call protons, electrons, and neutrons as a group?

a)

components

b)

subatomic particles

c)

bonds

d)

periodic table of the elements

34.
How many electrons are in a gold atom?
a)
79
b)
196
c)
117
d)
275
35.
Which of the following is NOT an accurate description of the nucleus?
a)
positively charged from the protons
b)
extremely dense from neutrons and protons
c)
negatively charged
d)
in the center of the atom
36.
Which subatomic particle along with the protons make up the total mass of an atom.
a)
Neutron
b)
Electrons
c)
Valence electrons
d)
protons make up all the mass
37.
Lithium is located in Group 1 of the Periodic Table, which element has similar characteristics of Lithium?
a)
Cesium (Cs)
b)
Beryllium (Be)
c)
Neon (Ne)
d)
Magnesium (Mg)
38.
Each row in a periodic table is called a 
a)
Group
b)
Period
c)
Row
d)
Column
39.
Each column in the periodic table is called a 
a)
period
b)
group
c)
cluster
d)
unit
40.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
41.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
42.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
43.

Fe is the ___________________ for iron

a)

atomic number

b)

chemical symbol

c)

atomic mass

d)

protons

44.

What element contains 53 protons?

a)

Manganese

b)

Iodine

c)

Palladium

45.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
46.

Which number here is the atomic number?

a)

5

b)

10.811

47.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
48.

Is melting butter for popcorn a chemical or physical change?

a)

chemical

b)

physical

49.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
rust
50.
Freezing Juice?
a)
Physical Change
b)
Chemical Change
51.
A change where one or more new substances are created.
a)
Physical Change 
b)
Chemical Change 
52.

Change in color is a physical change.

a)

True

b)

False

53.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
54.

Rust on an iron bar is an example of chemical change.

a)

True

b)

False

55.

When you break a cracker into pieces it is a...

a)

Chemical change

b)

Physical change

56.
Photosynthesis is an example of a
a)
physical change
b)
chemical change
57.
Dissolving sugar in water is an example of a 
a)
physical change
b)
chemical change
58.
Digesting your food is an example of 
a)
chemical change
b)
physical change
59.

Cutting a log in to small pieces is a chemical change.

a)

true

b)

false

60.
Which is an example of a chemical reaction?
a)
paper cut into small pieces
b)
chocolate melting in a pan
c)
flour and sugar mixed in a bowl
d)
cookies baking in an oven
61.
Which describes water vapor leaving a river and going into the air? 
a)
condensation
b)
evaporation
c)
precipitation
d)
runoff
62.
Which of the following is NOT a clue that a chemical change has occurred? 
a)
change of state of matter
b)
color change
c)
production of a gas
d)
production of heat
63.
The particles in a _____ are the farthest apart and move the fastest.
a)
gas
b)
solid
c)
banana
d)
liquid
64.
A physical change occurs when a substance _____. 
a)
breaks into individual elements
b)
becomes a new substance
c)
changes from an acid to a base
d)
changes shape, size, and form
65.
Mixtures can be _____________ into the substances that make them up. 
a)
separated
b)
placed
c)
melted
d)
blended
66.
A change in a state of matter is represented in the diagrams below. Which statement describes the process occurring from beaker 1 to beaker 2?
a)
Solid ice is changing into gas.
b)
Liquid water is changing to gas.
c)
Solid ice is melting to liquid water.
d)
Gaseous steam is condensing to solid ice.
67.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
68.
2H2 + O2 ----> 2H2O What is the product?
a)
------>
b)
2H2O
c)
2H2+ O2
69.
2H2 + O2 --------> 2H2O What  are the reactants?
a)
----->
b)
2H2O
c)
2H2 +O2
70.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
71.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
72.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
73.
Which is the correct formula for:
 three hydrogen (H)
one sulfur (S)
four oxygen (O)
a)
H3SO4
b)
HSO4
c)
H4S3O
d)
H2O
74.
How many atoms are in the element Carbon in this compound?
H2C3O4N5
a)
2
b)
3
c)
4
d)
5
75.
A subscript is the small number below a(n) ________ that tells the number of _______ of that element.
a)
element symbol; atoms
b)
atom; element symbol
c)
subscript; protons
d)
compound; elements
76.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
77.
What is a coefficient?
a)
The small number on the right of the chemical symbol.
b)
The large number to the left of a formula.
78.
Which side of a chemical equation is the reactant side?
a)
Left (before the yields sign)
b)
Right (after the yields sign)
79.
The law of conservation of matter states that
a)
chemical reactions change matter.
b)
in chemical reactions, the identity of reactants and products is conserved.
c)
atoms are neither created nor destroyed in chemical reactions.
d)
a chemical equation must be balanced.
80.
A pure substance that cannot be broken down into simpler substances.
a)
element
b)
compound
c)
molecule
d)
carbon dioxide
81.

How many more atoms of Oxygen than than Magnesium are in this formula? MgSO4MgSO_4  

a)

4

b)

3

c)

2

d)

6

82.

Which does not belong in the group?

a)

Sodium

b)

Glucose

c)

carbon

d)

Element

83.

Is this an element or a compound?  CaSO4CaSO_4  

a)

Element

b)

Compound

84.

Which chemical formula correctly displays 1 atom of nickel and 2 atoms of Fluorine?

a)

niF2

b)

NIF2

c)

Ni1F2

d)

NiF2

85.

Molecules that are made of more than one type of atom are called?

a)

Molecules

b)

Elements

c)

Mixtures

d)

Compounds

86.
Which problem is balanced?
a)
PbO2 + 2H2
b)
SO2 + H20 --> H2SO4
c)
2Na + 2H2O --> 2NaOH + H2
87.
Is the equation balanced?: 2H2O + O2 --> 4MgO + 3Fe
a)
Yes
b)
No
88.
What is the little number after an element in a chemical equation called.
Example: H2
a)
Coefficient 
b)
Subscript
c)
Atom
d)
Equation
89.
What is the arrow in a chemical equation...
H2 + O --> H2O
a)
Reactants
b)
Products 
c)
Produces
d)
Chemical Equation 
90.
Balance this equation
_Zn+_HCl-->_ZnCl2 +_H2
a)
1,1,2,1
b)
1,1,1,2
c)
1,2,1,1
d)
2,1,1,1
91.
Balance this equation.
_Mg + _Cl2 --> _MgCl2
a)
1, 2,1
b)
already balanced
c)
2,1,1
d)
1,1,2
92.
Is this balanced?...
Fe + S --> FeS
a)
YES!
b)
NO!
93.
KNO3 --> KNO2 + O2
What coefficients are needed to balance the reaction?
a)
2, 2, 1
b)
2, 3, 2
c)
1, 2, 2
d)
1, 3, 1
94.
Balance this equation-
__P4 + __O2 --> __P2O3
a)
it is already balanced
b)
2, 1, 3
c)
1, 2, 3
d)
1, 3, 2
95.
Balance this equation.
_Mg + _Cl2 --> _MgCl2
a)
1, 2,1
b)
already balanced
c)
2,1,1
d)
1,1,2
96.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
d)
Left side is balanced
97.
How many atoms of aluminum are on each side of the following equation: 4Al + 3O2 --> 2Al2 O3
a)
2
b)
6
c)
1
d)
4
98.
The blue numbers in the image below represent ________
a)
Charges
b)
coefficients
c)
subscripts
d)
none of the answers are correct
99.
Number of H in 3(NH₄)₂CrO₄
a)
4
b)
6
c)
8
d)
24
100.
Finish a blalanced equation:
Mg(OH)2 --> __________
a)
Mg(OH)2 --> MgOH
b)
Mg(OH)2 --> MgO+ H2O
c)
Mg(OH)2 --> MgO+ H2
d)
Mg(OH)2 --> Mg+ H2O
101.

a collection of atoms of one type that cannot be broken down into simpler substances by ordinary chemical or physical means

a)

element

b)

subatomic particle

c)

electron

d)

matter

102.

a grouping of elements based on similar properties, arranged by columns in the periodic table; also known as a group

a)

family

b)

period

c)

row

d)

isotope

103.

a row on the Periodic Table of Elements

a)

family

b)

period

c)

row

d)

isotope

104.

an atom or group of atoms that has gained or lost one or more electrons and is now either positively or negatively charged

a)

isotope

b)

ion

c)

orbital

d)

nucleus

105.

Who invented the Periodic Table?

a)

Mendeleev

b)

Bohr

c)

Lewis

d)

Democritus

106.

As you move left to right on a row or period what happens?

a)

Atomic number increases by 1

b)

Electrons decrease

c)

Number of shells decrease

d)

Nothing

107.

Mendeleev's genius was his ability to

a)

predict elements that were not discovered yet

b)

organize elements by their mass

c)

had an element named after himself

d)

organize elements by properties

108.

Valence means......

a)

inside

b)

outside

c)

full

109.

Elements in the same group or column have the same ...

a)

# of valence electrons

b)

# of shells

c)

# of protons

d)

Mass Number

110.

Elements in the same group have __________

a)

Similar Properties

b)

Same number of shells

c)

Similar Mass

111.
Two elements chemically bonded form
a)
element
b)
compound
c)
mixture
d)
solutions
112.
What element is will have the most similar physical and chemical properties to the element Bromine (Br)?
a)
Fluorine (F)
b)
Carbon (C)
c)
Krypton (Kr)
d)
Selenium (Se)
113.
All matter is composed of (contains) at least one element on the periodic table
a)
True
b)
False
114.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
115.
What are the three major categories of the periodic table?
a)
Alpha, Beta & Gamma
b)
Metals, Non-Metals and Metalloids
c)
Metals, Semi-metals and Metalloids
d)
Non-Metals, Semi-Metals and Metalloids
116.

Which words best describe NON-METALS?

a)

ductile, shiny, brittle

b)

malleable, dull, brittle, ductile

c)

brittle, dull, insulators

117.

Where are metals located on the periodic table?

a)

On the left of the stair case

b)

On the stair case

c)

On the right of the stair case

118.

Where are metaloids located on the periodic table?

a)

On the left of the stair case

b)

On the stair case

c)

On the right of the stair case

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