Name: ________________________________________ Date: ______________________ Period: _______
IPC Unit 2A Review
Matching and Multiple choice
Label each item below as either element, compound, homogeneous mixture, or
heterogeneous mixture.
1. Limestone (CaCO3)
A.
Element
2. Blood
B.
Compound
3. Nickel (Ni)
C.
Homogeneous Mixture
4. Lucky charms cereal
D.
Heterogeneous Mixture
Word bank
proton nucleus
neutron electrons orbital
5. Name the rings _______________
6. Name the negative particle _______________
7. Name the neutral particle _______________
8. Name the center portion of the atom _______________
9. Name the positively charged particle _______________
10. In the periodic table notation below, what information does the number 20 tell you?
a. IV
b. I and II
c. I and IV
d. I and III
I. It is the number of protons.
II. It is the number of neutrons.
III. It is the atomic number.
IV. It is the atomic mass.
_____ 11. What is NOT TRUE about an atom’s atomic mass and its atomic number?
A.
Atomic mass is the total mass of the atomic particles, protons + neutrons +
electrons
B.
Atomic number represents the number of protons (which happens to also equal
the # of electrons)
C.
Atomic number can be used to identify an element because each element has a
unique atomic number.
D.
Atomic mass represents the mass of the atom’s nucleus.
12. The positively charged ________________ is one type of particle that makes up the
atom. It is found in the ________________. The ________________ is another
particle found in the nucleus, and it has ________________ charge. The third kind
of atomic particle, the ________________, is found outside the nucleus and
carries a ________________ charge.
13.
The picture above shows what happens when milk goes bad. What type of reaction is this?
a. Physical
b. Chemical
14.
To make chicken noodle soup, a student placed dried soup mix into a pot of water. As the water
boiled, the dried soup mix dissolved. What type of reaction is this?
a. Physical
b. Chemical
Name:
Date:
Period:
IPC Unit 2A Review
15.
When ice melts, it turns into liquid water. However, if you need to, you can re-freeze it to turn it back
into ice. When you can change a substance back into its original form, what type of reaction is this?
a. Physical
b. Chemical
16. Which type of change always creates a new substance?
a. Physical
b. Chemical
17. Which kind of change can be changed back?
a. Physical
b. Chemical
18. When you rip a piece of paper, what kind of change has occurred?
a. Physical
b. Chemical
19. Rust is an example of which type of change?
a. Physical
b. Chemical
20. Cooking an egg is an example of what type of change?
Name:
Date:
Period:
IPC Unit 2A Review
a. Physical
b. Chemical
21. Which of the following is NOT an indicator of a chemical change?
a. Bubbles (gas) produced
b. Unexpected Color Change
c. Phase Change
d. Precipitate Produced
22. When Kool-Aid dissolves in a pitcher of water, what type of change has occurred?
a. Physical
b. Chemical