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- Multiple ChoicePlease save your changes before editing any questions.
The smallest unit of matter.
molecule
proton
atom
density
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Protons, neutrons, and electrons are --
friends
subatomic particles
parts of a battery
submarine particles
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The center of an atom --
nucleus
electron
energy levels
electron cloud
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Which subatomic particle has a POSITIVE charge?
electron
neutron
proton
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Which 2 subatomic particles are in the NUCLEUS?
protons and nucleus
protons and electrons
neutrons and electrons
protons and neutrons
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Where are ELECTRONS located?
nucleus
energy levels
outside the atom
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A substance made of only one kind of atom--
element
negative charge
proton
electron cloud
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Which subatomic particle has a NEGATIVE charge?
proton
electron
neutron
nucleus
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A neutron does not have a charge.
True
False
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"does not have a charge" =
neutral
negative
positive
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What color are the electrons?
orange
blue
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What color are the protons?
white
blue
red
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This is a picture of an --
neutron
element
molecule
atom
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A particle of matter made of 2 or more atoms joined together--
element
atom
molecule
positive charge
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Carried by protons --
positive charge
negative charge
neutral charge
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Carried by electrons --
neutral charge
positive charge
negative charge
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A particle of an atom that is outside the nucleus --
proton
electron
neutron
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What is this?
Periodic Table of Neutrons
Periodic Table of Molecules
Periodic Table of Electrons
Periodic Table of Elements
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The # of protons = the # of --
electrons
neutrons
atoms
molecules
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If an atom has 15 protons, how many electrons does it have?
5
10
15
1