The Isotope Notation occur by adding the Superscript showing Mass Number and Subscript showing Atomic Number to the Left of the Element Symbol.
Example,
ᵇₐX
Where;
b = Mass Number
a = Atomic Number
X = Symbol
For Hydrogen Isotopes:
1) Protium: 1 Proton , 0 Neutron
¹₁H
2) Deuterium: 1 Proton , 1 Neutron
²₁H
3) Tritium: 1 Proton , 2 Neutron
³₁H
