Electrons carries negative charge and is located outside the nucleus of an atom. The most important electron is named as the valence electron wherein it is very much important specially in chemical bonding.
2. Neutron
Neutron is located inside the nucleus of an atom and carries neutral charge or no charge. It almost has the same mass with protons.
3. Protons
Protons is located inside the nucleus of an atom and it carries positive charge. The number of protons determine the name of the element or its isotopes.
4. Nucleus
The center part of an atom where nuetron and protons stays inside it.
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1. Electron
2. Neutron
3. Protons
4. Nucleus
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