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8.1 Review
Test Description: Chemistry
Instructions: Answer all questions to get your test result.
1) What is the smallest part of the atom?
A
The subatomic parts
B
The nucleus
C
The electrons
D
The protons and neutrons
2) What has a negative charge
A
The protons
B
The neutrons
C
The atom
D
The electrons
3) What is the nucleus made up of?
A
protons and neutrons
B
neutrons and electrons
C
electrons and protons
D
Subatomic parts
4) What has a neutral charge or no charge?
A
an atom
B
a neutron
C
a proton
D
an electron
5) What charge does a proton have?
A
negative charge
B
no charge
C
doesn't matter, who cares
D
positive charge
6) what makes up most of the atom?
A
empty space
B
lots of subatomic parts
C
a football field
D
a marble
7) How many electrons are in the first shell?
A
1
B
2
C
8
D
4
8) The second and third shell can hold more than 2 but not more than? (for you knowledge at this level)
A
6
B
8
C
16
D
4
9) CO2 (Carbon Dioxide) is what type of molecule?
A
an ordinary molecule
B
a complex molecule
C
an elemental molecule
D
a compound molecule
10) Ozone is what type of molecule?
A
an ordinary molecule
B
an elemental molecule
C
a compound molecule
D
a complex molecule
11) A characteristic that you can observe or measure directly
A
Physical property
B
Physical change
C
Chemical change
D
Chemical property
12) The amount of matter in an object
A
Matter
B
Volume
C
Mass
D
Density
13) How much space an object takes up
A
Density
B
Volume
C
Matter
D
Mass
14) The amount of matter present in certain volume of something
A
Matter
B
Mass
C
Density
D
Volume
15) The measure of how hot or cold something is
A
Temperature
B
Volume
C
Mass
D
Magnestism
16) Which is a sign of a chemical change
A
all of the above
B
Bubbling or fizzing
C
a new product formed or an unexpected color change
D
odor change or temperature change
17) what is a characteristic of a property change
A
fire
B
phase changes
C
odor
D
all of the above
18) What happens when heat is added to a substance
A
the atoms move faster
B
the atoms spread apart making it less dense
C
all of the above
D
the substance changes it's state for example ice changes to water or water changes to vapor
19) If heat was removed from a substance what would happen?
A
the atoms stay where they are and it stays in the phase that it is in
B
the atoms slow down and the substance becomes more dense
C
none of the above
D
nothing there will be still heat in the substance so it will have the atoms moving around
20) Natural materials are
A
something that sound cool
B
are building materials
C
come from a natural resource
D
who cares
*select an answer for all questions
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