Download Chemistry Pretest

Chemistry Pretest
This is to tell me how much time we need to spend reviewing in the first unit-- it is only a
“For Credit” grade— you will not be marked down for incorrect answers!
1. Define Matter:
2. What is the formula for density?
3. Define “solid,” as in the phase of matter.
4. Define “liquid,”, as in the phase of matter.
5. Define “gas,” etc.
6. Fill in the Subatomic Particles Table:
Name
Location
Mass
Charge
7. Find the element PLATINUM on your periodic table. Tell me:
a. The Atomic Mass
b. The Atomic Number
c. The Chemical Symbol
d. How many of each subatomic particle Platinum has:
8. Tell me the difference between accuracy and precision. Draw a diagram if you wish.
9. Explain the difference between a ‘Control’ and a ‘Variable’ in an experiment. Tell
why each is important. Keep it short—but you may use the back if you wish.
10. What is the difference between a chemical change and a physical change?