Question

Define fundamental particles of atom.

Answer 1

Fundamental particles of atom are those their constituents which made them to be complete they are electron, proton and neutron
In simple language, basic divided parts of an atom is called fundamental particles
Protons are positively charged
Neutron are neutral
Electrons are negatively charged
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Answer 2

atom is made up of three subatomic particles,
Neutrons
protons and,
electrons.
the electrons are negativity charged particles and protons are positively charged particle.Neutrinos are extremely small and have no electrical charge.A atom have net zero charge because the total number of of protons and electrons are equal.