1.
All matter is made up of atoms or molecules? True or False
2.
Are atoms mostly full or mostly empty space?
3.
What makes the atoms of one element different from teh atoms of another element?
A. 
The number of protons in the nucleus
B. 
The number of electrons in the outer shell
C. 
The number of neutrons in the nucleus
D. 
The average mass of the isotopes
4.
How many naturally occuring elements are found?
A. 
B. 
C. 
D. 
5.
A molecule does not need more than one element to be considered a "compound". True or False
6.
It is possible to have a molecule that is not a compound...True or False
7.
All compounds are molecules....True or False
8.
Is O2 a molecule?
9.
Is O2 a compound?
10.
How many compounds are in the following image?
A. 
B. 
C. 
D. 
11.
How many molecules are in the following image?
A. 
B. 
C. 
D. 
12.
Is air a mixture or a pure substance?
13.
Is baking soda (NaHCO3) a mixture or a pure substance?
14.
Is apple juice a mixture or a pure substance?
15.
Is Aluminum (Al) a mixture or a pure substance?
16.
Is 100% pure orange juice a mixture or a pure substance?
17.
Is blood a heterogeneous or a homogenous mixture?
18.
Is a oil and water mixture heterogeneous or a homogenous mixture?
19.
What is it called when multiple pure substances are added together?
A. 
B. 
C. 
D. 
20.
What are the only two types of pure substances?
A. 
B. 
C. 
D. 
Heterogeneous and homogeneous
21.
Most of the hot flavor in peppers comes from capsaicin, C18H27NO3, Capsaicin is a(n)
A. 
B. 
C. 
D. 
22.
Changing the amount of energy or pressure will affect the states of matter
23.
Which of the following is not a state of matter?
A. 
B. 
C. 
D. 
24.
What is the following state of matter?
25.
The particles in a liquid and gas are always in motion but the particles in a solid stop moving? T/F
26.
When a substances goes from a solid to a liquid it is called….
A. 
B. 
C. 
D. 
27.
When a substance goes from a gas to a solid it is called…
A. 
B. 
C. 
D. 
28.
What is dry ice going from a solid directly to a gas an example of?
A. 
B. 
C. 
D. 
29.
Water found on the outside of a glass is called what?
A. 
B. 
C. 
D. 
30.
Do chemical or physical properties involve forming a new substance?
31.
When a substance changes from a liquid to a gas it loses mass. T/F
32.
Is energy gained or lost during sublimation?