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Worksheets

Trial By Fire Review Topics 5 & 6

Total questions: 33

Worksheet time: 21mins

Name
Class
Date
1.

What is the smallest unit of matter?

a)

Element

b)

Atom

c)

Compound

d)

Molecule

2.

Which group of elements is found as single atoms only?

a)

Group 1

b)

Group 2

c)

Group 17

d)

Group 18

3.

Which of the following is an example of a compound?

a)

Neon

b)

Water

c)

Oxygen

d)

Carbon

4.

Which of the following is an example of an element?

a)

Carbon Dioxide

b)

Water

c)

Oxygen

d)

Sugar

5.

Which type of molecule is made of many small, repeating parts linked together into long structures?

a)

Discrete Molecule

b)

Crystal Molecule

c)

Diatomic Molecule

d)

Polymer Molecule

6.

Which type of molecule always exists as a pair of 2 identical atoms?

a)

Discrete Molecule

b)

Crystal Molecule

c)

Diatomic Molecule

d)

Polymer Molecule

7.

Which type of molecule has a structure with a repeating geometric pattern?

a)

Discrete Molecule

b)

Crystal Molecule

c)

Diatomic Molecule

d)

Polymer Molecule

8.

Which of the following substances has a crystal structure?

a)

Protein

b)

Diamond

c)

Polyethylene

d)

Methane

9.

Which diagram shows only one type of atom?

a)

A

b)

B

c)

C

d)

D

10.

Which diagram shows a mixture of single atoms and compounds?

a)

A

b)

B

c)

C

d)

D

11.

How many different elements make up this substance?

a)

3

b)

0

c)

1

d)

2

e)

6

12.

Which element does not combine with other elements?

a)

Argon

b)

Copper

c)

Sodium

d)

Carbon

e)

Chlorine

13.

Which element forms a diatomic molecule?

a)

Chlorine

b)

Copper

c)

Sodium

d)

Carbon

e)

Iron

14.

What type of molecule does the model represent?

a)

Diatomic

b)

Polymer

c)

Crystal

d)

Discrete/Single

15.

What state of matter does this model represent?

a)

Solid

b)

Liquid

c)

Gas

16.

What type of molecule does the model represent?

a)

Diatomic

b)

Polymer

c)

Crystal

d)

Discrete/Single

17.

What state of matter does the model represent?

a)

Solid

b)

Liquid

c)

Gas

18.

What type of molecule does the model represent?

a)

Diatomic

b)

Polymer

c)

Crystal

d)

Discrete/Single

19.

What type of molecule does the model represent?

a)

Diatomic

b)

Polymer

c)

Crystal

d)

Discrete/Single

20.

In order for a chemical reaction to occur, what energy do we need?

a)

Change in Energy

b)

Activation Energy

c)

Ignition Energy

21.

As a child breaks a cookie in half, crumbs fall on the floor. What type of change is occuring?

a)

Physical change

b)

Chemical change

c)

Physical and chemical change

d)

Neither chemical nor physical change

22.

What indicates a chemical change is occurring?

a)

A log is cut in half.

b)

Water boils in a pot.

c)

A solution changes color.

d)

The page of a book tears.

23.

Which scientific law requires that we balance equations?

a)

Law of Conservation of Energy

b)

Law of Conservation of Force

c)

Law of Conservation of Mass

d)

Law of Conservation of Momentum

24.

What happens to the rate of a reaction if the temperature is decreased?

a)

The rate increases.

b)

The rate decreases.

c)

The rate stays the same.

25.

What happens to the rate of a reaction if the particle size decreases?

a)

The rate increases.

b)

The rate decreases.

c)

The rate stays the same.

26.

What happens to the rate of a reaction if an inhibitor is added?

a)

The rate increases.

b)

The rate decreases.

c)

The rate stays the same.

27.

Which graph shows an endothermic reaction?

a)

Graph A

b)

Graph B

28.

Which graph shows a reaction that would feel hot to the touch?

a)

Graph A

b)

Graph B

29.

How much activation energy is used in Graph A?

a)

0.0 kj

b)

100.0 kj

c)

200.0 kj

d)

300.0 kj

e)

400.0 kj

30.

How much ΔE is indicated by Graph B?

a)

-100.0 kj

b)

50.0 kj

c)

-50.0 kj

d)

100.0 kj

e)

150.0 kj

31.

After balancing the equation, what number would replace the RED question mark?

a)

2

b)

0

c)

1

d)

3

e)

4

32.

After balancing the equation, what number would replace the GREEN question mark?

a)

1

b)

0

c)

2

d)

3

e)

4

33.

After balancing the equation, what number would replace the BLUE question mark?

a)

1

b)

0

c)

2

d)

3

e)

4