Mass number
:
:
The mass number
A
A
of an atom is the integer nearest ot the relative atomic mass and is equal to the number of nucleons in the nucleus.
Nucleons
:
:
The sub
−
-
atomic particles of the nucleus of an atom are callec nucleons. Protons, neutrons are examples of neceons.
Nuclides
:
:
Particular nuclear nuclear species with a specific atomic number and a mass number is referred to as nuclide.
