The number of neutrons is different for isotopes.
Isotopes are atoms, not subatomic particles.
Subatomic particles are protons, neutrons and electrons.
mass #= # of protons + # of neutrons
All the isotopes of chemical elements contain protons, neutrons and electrons.
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The number of neutrons is variable.
Subatomic particles with no charges are neutrons
All subatomic particles have mass.
Everything is made of subatomic particles.
Subatomic particles are: neutron, proton, electron.
subatomic particleIn physics or chemistry, subatomic particles are the small particles composing nucleons and atoms. There are two types of subatomic particles: elementary particles, which are not made of other particles, and composite particles.
no an ion is a electrically charged atom