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Matter Review
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True/False: Molecules are bigger than atoms.
true
false
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Gases have
takes up a lot of space
particles that are packed together
no definite shape and takes up no definite amount of space
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This has a positive charge.
neutrons
nucleus
electrons
protons
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In which state of matter are particles tightly packed together?
gas
liquid
solid
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In the figure below, the green and red particles are called
nucleus
atom
electrons
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When heat is added to water molecules, what happens?
the molecules freeze
the molecules slow down
the molecules speed up
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What particles are typically found on the outside rings of an atom?
protons
electrons
neutrons
nucleus
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In a chemical formula for water, the 2 tells us what?
how many atoms of hydrogen there are in a molecule of water
how many elements are in this molecule
how many molecules of oxygen there are.
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In gases, particles are
able to move most freely
nonexistent
stay together
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Anything that has mass and takes up space is referred to as
all of the above
water
fuel
matter
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What is the basic building block of matter?
electron
particle
atom
protons
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What is a small particle that is considered the basic building block of matter?
atom
electron
nucleus
proton
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A particle with negative charge
neutron
electron
proton
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A particle with no charge
electron
neutron
proton
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