SSC MTS EXAM

Detailed explanation-1: -Electrons, which are negatively-charged, are located outside of the nucleus.

Detailed explanation-2: -Atoms are made up of protons and neutrons located within the nucleus, with electrons in orbitals surrounding the nucleus. Masses for the three subatomic particles can be expressed in amu (atomic mass units) or grams.

Detailed explanation-3: -Electrons surround the nucleus and have a negative charge and small mass relative to protons and neutrons Most of an atom’s mass Is In its nucleus, which is near the center and is composed of protons and neutrons Protons have a positive charge; neutrons have no charge.