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WorksheetsUnit 11 Quizizz TEST Review
Total questions: 28
Worksheet time: 14mins
Name
Class
Date
1.
Brownian motion is caused by
a)
thermal agitation
b)
perpetual motion
c)
particles larger than atoms bumping into them
d)
interactions between atoms and molecules.
e)
almost invisible bugs
2.
A granite block is mostly empty space because the atoms in the granite are
a)
in perpetual motion.
b)
mostly empty space themselves.
c)
held together by electrical forces
d)
not as close together as they could be.
e)
invisible.
3.
The chance that at least one of the atoms exhaled in your previous breath will be inhaled in your next breath is
a)
very low
b)
very high
c)
zero
4.
Atoms can be photographed by
a)
electron beams.
b)
scanning electron microscopes.
c)
both of these
d)
neither of these
5.
An atomic model of the atom is
a)
a symbolic representation of the atom.
b)
a stepping stone to further understanding.
c)
an abstraction enabling predictions.
d)
all of the above
6.
Which is the lightest particle?
a)
proton
b)
electron
c)
neutron
d)
all about the same
7.
An element is distinct because of its number of
a)
protons.
b)
neutrons.
c)
electrons.
d)
the total mass of all the particles.<br />
e)
none of the above
8.
A force that determines the chemical properties of an atom is
a)
a friction force.
b)
a nuclear force.
c)
a gravitational force.
d)
an electrical force.
e)
none of the above
9.
Atomic number refers to the number of
a)
protons in the nucleus.
b)
neutrons in the nucleus.
c)
nucleons in the nucleus.
10.
The number of protons in a neutral atom is balanced by an equal number of
a)
electron shells that surround the nucleus.
b)
neutrons in the nucleus.
c)
orbital electrons.
d)
none of the above
11.
The mass of matter is due mostly to its
a)
protons
b)
electrons
c)
both of these
d)
neither of these
12.
Heavier atoms are not proportionally larger than lighter atoms due to the greater number of protons
a)
pulling surrounding electrons into tighter shells.
b)
squeezed into tighter spaces.
c)
both of these
d)
none of these
13.
The chemical properties of matter are due mostly to their
a)
protons
b)
electrons
c)
neutrons
14.
Heavy atoms are not appreciably larger in size than light atoms because the nuclei of heavy atoms have more
a)
mass.
b)
electric charge.
c)
nucleons.
d)
all of the above
e)
none of the above
15.
The electrical force is stronger between the nucleus and an inner electron for atoms of
a)
low atomic number.
b)
high atomic number.
c)
both of these
d)
neither of these
16.
An isotope is simply an atom that
a)
is electrically charged.
b)
has different numbers of neutrons for the same element.
c)
both of these
d)
neither of these
17.
An ion and an isotope are
a)
very much one and the same.
b)
very unlike.
c)
opposites.
18.
An atomic mass unit (amu) is 1/12 the mass of
a)
an electron.
b)
a proton.
c)
a hydrogen atom.
d)
a carbon atom.
19.
Mass number refers to the number of
a)
protons in the nucleus.
b)
neutrons in the nucleus.
c)
nucleons in the nucleus.
20.
A nucleon has a mass of about
a)
1 amu.
b)
1 atomic mass unit.
c)
both are the same.
d)
none of the above
21.
The air in this room has
a)
mass.
b)
weight.
c)
energy.
d)
all of the above
e)
none of the above
22.
Which of the following is NOT a compound?
a)
Air
b)
Ammonia
c)
Water
d)
Salt
23.
Which of the following is not a mixture?
a)
Granite
b)
Cake
c)
Air
d)
Beach sand
e)
none of the above
24.
A molecule has
a)
mass.
b)
structure.
c)
energy.
d)
all of the above
e)
none of the above
25.
How many different kinds of elements are in a water molecule?
a)
one
b)
two
c)
three<br />
d)
four
e)
none
26.
If an astronaut landed on a planet composed of antimatter, there would be an explosion and the
a)
planet would annihilate.
b)
astronaut would annihilate.
c)
astronaut and an equal amount of planet antimatter would both annihilate.
27.
In our part of the universe, antimatter is
a)
non-existent.
b)
plentiful.
c)
short-lived.
d)
long-lived.
28.
If a gram of antimatter meets a kilogram of matter, the amount of mass to survive is
a)
1 gram.
b)
999 grams.
c)
1 kilogram.
d)
1.1 kilogram.
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