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G8 Chemistry Unit Concepts Review

Total questions: 30

Worksheet time: 19mins

Name
Class
Date
1.
Evidence of Chemical Change.
a)
New Substance 
b)
Size change
c)
State change
d)
Mixture 
2.
Evidence of a physical change.
a)
New substance
b)
Shape Change
c)
Light produced
d)
Gas released.
3.
Water boiling is a _______ change. 
a)
Physical Change 
b)
Chemical Change 
4.
Fireworks Exploding are a ________ change.
a)
Physical Change
b)
Chemical Change
5.
What is a physical property of this table? 
a)
Brown
b)
Flammable
c)
Reactive to Acid
6.

Mass divided by volume is the formula for calculating----

a)

Mass

b)

Volume

c)

Density

d)

Matter

7.

The ability to burn is known as---

a)

Flammability

b)

Combustion

c)

Density

d)

Exploding

8.

Solubility, the ability to dissolve, is a --- property.

a)

Chemical

b)

Physical

9.

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

a)

Rust (tarnish)

b)

Mold

c)

Decomposition

d)

Copper

10.

Digestion, the process of the body breaking down food for nutrients, is a --- property.

a)

Chemcial

b)

Physical

11.
Can be found on the periodic table
a)
Element
b)
Compound
c)
MIxture
12.
What is sugar?
a)
element
b)
compound
c)
mixture
13.
What is water?
a)
element
b)
compound
c)
mixture
14.
The smallest particle of any particular type of matter is known by which of the following terms?
a)
Element
b)
Chemical
c)
Atom
d)
Substance
15.
When two or more elements chemically combine
a)
element
b)
compound
c)
mixture
d)
solution
16.
What is gold?
a)
element
b)
compound
c)
mixture
17.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
18.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
19.
Which subatomic particle has a positive (+) charge?
a)
Neutron
b)
Proton
c)
Electron
20.
Which subatomic particle has a negative (-) charge?
a)
Proton
b)
Electron
c)
Neutron
21.
Which subatomic particle has a neutral or no charge?
a)
Proton
b)
Electron
c)
Neutron
22.
Where is the nucleus located in an atom?
a)
Near the electron shells/levels
b)
Near the center of an atom
23.
How many electrons does this picture show?
a)
4
b)
5
c)
6
d)
3
24.
How many protons does this atom have?
a)
3
b)
6
c)
4
d)
2
25.
Synthetic materials are made by _________.
a)
aliens
b)
humans
c)
farmers
d)
nature
26.

A solid that is deposited from a solution

a)

Solid

b)

Liquid

c)

Product

d)

Precipitate

27.

A substance produced during a chemical reaction

a)

Product

b)

Reactant

c)

Properties

28.

Physical and chemical characteristics of matter used to describe or identify a substance

a)

Chemical Reaction

b)

Properties

c)

Product

29.

A substance that takes part in and undergoes change during a reaction

a)

Product

b)

Molecule

c)

Reactant

30.

Natural resources that undergo a chemical process

a)

Properties

b)

Liquid

c)

Synthetic Materials

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