Atomic structure

Protons have a relative mass of 1 and a relative charge of 1+
Neutrons have a relative mass of 1 and a relative charge of 0
Electrons have a relative mass of 1/2000 and a relative charge of 1-

Mass number - the total number of protons and neutrons in an atom.
Atomic number - the number of pronouns in the nucleus of an atom.

Ion - a charged particle formed when one or more electrons are lost of gained from an atom or molecule.
Isotope - an atom with the same number of protons as…