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Chemistry EOC Review

Total questions: 39

Worksheet time: 34mins

Name
Class
Date
1.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
2.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
3.
Is the equation balanced?: 2H2O + O2 --> 4MgO + 3Fe
a)
Yes
b)
No
4.
Balance this equation
_N2 + _H2 --> _NH3
a)
1,2,3
b)
1,3,2
c)
1,1,2
d)
2,1,1
5.
What does the Law of Conservation of Mass state?
a)
Matter cannot be gained or lost in a chemical reaction.
b)
Matter can only be lost in a chemical reaction.
c)
Matter can only be gained in a chemical reaction.
d)
Matter can be gained and lost in a chemical reaction. 
6.
Molecules spread out and move FAST!
a)
solid
b)
gas
c)
liquid
7.
Molecules are tightly packed together
a)
solid
b)
liquid
c)
gas
8.
If an ice cube is left out in  room it will change from one state of matter to another.  Which is the correct order of State of Matter that the ice cube will go through?
a)
Gas, Solid, Liquid
b)
Liquid, Solid, Gas
c)
Liquid, Gas, Solid
d)
Solid, Liquid, Gas
9.

Which elements are to the right of the zig zag?

a)

metals

b)

nonmetals

c)

metalloids

10.

Sulfur is considered:

a)

malleable

b)

brittle

c)

ductile

d)

a good conductor

11.
Which of the following is a physical characteristic of a metal?
a)
texture
b)
malleable
c)
brittle
d)
semi-conductor
12.
Which of the following is a physical characteristic of a metalloid?
a)
texture
b)
malleable
c)
brittle
d)
semi-conductor
13.

Which item on this element square is the chemical symbol?

a)

Copper

b)

29

c)

Cu

d)

63.546

14.

Reactivity (bubbling, fizzing) is a --- property.

a)

Chemical

b)

Physical

15.

Ductility, the ability to be stretched into thin wires, is a --- property.

a)

Chemical

b)

Physical

16.

Combustion or exploding, is a --- property.

a)

Chemical

b)

Physical

17.

When metal comes in contact with oxygen and water, it creates ---- through a chemical reaction.

a)

Rust (tarnish)

b)

Mold

c)

Decomposition

d)

Copper

18.

Malleability, the ability to be flattened into thin sheets, is a ---property.

a)

Physical

b)

Chemical

19.

What are the subatomic particles?

a)

Protons, Electrons, Neutrons

b)

Molecules, and atoms

c)

Electrons, Protons, Nucleus

d)

Nucleus, and Electrons

20.

What is this subatomic particle that has positive charge?

a)

Electron

b)

Neutron

c)

Proton

d)

Megatron

21.

What is this subatomic particle that has negative charge?

a)

Electron

b)

Neutron

c)

Proton

d)

Megatron

22.

What is this subatomic particle that has no charge?

a)

Electron

b)

Neutron

c)

Proton

d)

Megatron

23.

What is the small, DENSE REGION consisting of protons and neutrons at the CENTER of an atom?

a)

Molecules

b)

Nucleus

c)

Subatomic particle

d)

Atoms

24.
Which two subatomic particles make up the nucleus of an atom?
a)
Protons and Electrons
b)
Neutrons and Electrons
c)
Electrons and Protons
d)
Protons and Neutrons
25.
Where are the Electrons found in the structure of an atom?
a)
In the nucleus
b)
In spaces around the nucleus
26.

What is the atomic number?

a)

35

b)

18

c)

17

d)

52

27.

What is the atomic mass of Neon?

a)

10

b)

20

c)

30

28.

How many neutrons does calcium have?

a)

20

b)

40

c)

60

d)

0

29.
What number indicates the nucleus?
a)
1
b)
2
c)
3
d)
4
30.
What number indicates an electron?
a)
1
b)
2
c)
3
d)
4
31.

The amount of matter in an object is ____.

a)

mass

b)

volume

c)

density

d)

buoyancy

32.

The unit used to measure mass is

a)

cubic centimeters (cm3 )

b)

milliliters (mL)

c)

g/cm3

d)

grams (g)

33.

How much space an object take up is its _______________.

a)

volume

b)

mass

c)

density

d)

buoyancy

34.

What would you use a TRIPLE-BEAM BALANCE for?

a)

To measure length.

b)

To measure mass.

c)

To measure volume.

d)

To measure time.

35.

Based on the photo, what is the volume of the liquid?

a)

35 mL

b)

24 mL

c)

25 mL

d)

30 mL

36.

Which of the following is a correct tool that can be used to measure the MASS of a substance?

a)

graduated cylinder

b)

digital scale

c)

ruler

d)

meter stick

37.

Which of the following is a METRIC unit of measure for LENGTH?

a)

mL

b)

in.

c)

kg

d)

cm

38.

Which of the following is a METRIC unit of measure for VOLUME?

a)

mL

b)

cups

c)

kg

d)

cm

39.

The metric system is a system of measurement based on the number . .

a)

1

b)

5

c)

10

d)

100

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