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Name_____________________________ Date_____________ Hour_______
Matter Unit Review
Test Date______________
Choose the BEST definition for the matter vocabulary.
1. ______ atom
2. ______ proton
3. ______neutron
4. ______electron
5. ______nucleus
6. ______element
7. ______atomic number
8. ______atomic mass
9. ______group/family
10. ______period
11. ______chemical properties
12. ______physical properties
13. ______chemical equation
14. ______ exothermic
15. ______endothermic
16. ______products
17. ______reactants
a. The new substance(s) that result
from a chemical reaction
b. The original substance(s) at the
beginning of a chemical reaction
c. A way to represent a chemical
reaction by using symbols for the
substances involved in the change
d. A chemical reaction that absorbs
heat energy
e. A chemical reaction that gives off
heat energy
f. Negatively charged particle that
orbits the nucleus of an atom.
g. Positively charged particle found in
the nucleus of an atom.
h. The central part of an atom that is
made up of protons and neutrons.
i. The smallest component that
makes up an element.
j. Neutrally charged particle found in
the nucleus of an atom.
k. Elements that share similar
characteristics and reactive
behaviors.
l. A substance that is in its purest
form and cannot be broken down
chemically into another substance.
m. Describes the number of protons
plus the number of neutrons found
in the nucleus of an atom.
n. Describes the number of protons in
the nucleus of an atom.
o. The Rows of elements organized
by increasing atomic number.
p. Describes how substances are
pre-determined to interact with
each other.
q. Describes properties of a
substance without changing the
identity of the substance
Answer the following questions (use a separate sheet of paper if necessary).
1.
When we did the chemical reaction in a bag, was it an endothermic or exothermic reaction?
How did you know?
2. In the chemical equation below, label the products and reactants. Explain how you know.
NaHCO3 + CaCl2 → Ca(HCO3)2 + NaCl
3. What does the arrow represent in the above chemical equation?
4. In the Cabbage Chemistry lab, the cabbage was a _______________ because it changed the
color of a substance to determine its pH.
5. Most elements on the periodic table are which of the following?
a) gases
b) metallic solids
c) liquids
6. Explain the reactivity of the "Noble Gases," the elements on the right side of the periodic
table.
7. The chemical formula for water is H20. Identify the correct number of atoms for this
compound.
8. List signs that a chemical change has occurred.
True or False
1.
2.
3.
4.
__________Everything on earth is made of a combination of man-made elements.
__________An example of a physical property is density.
__________An example of a chemical property is odor.
__________A compound is a molecule with just one atom.
Identify the following as a physical property (P) or a chemical property (C).
1. _________mass
2. _________color
3. _________reactivity
4. _________flammability
5. _________melting point
Identify the following as a physical change (P) or a chemical change (C).
1. __________tearing paper
2. __________burning paper
3. __________water boiling
4. __________rust forming
5. __________baking bread