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