How to Calculate Mass number?
Mass number calculator uses Mass number=Number of Protons+Number of Neutrons to calculate the Mass number, The Mass number is the sum of the number of protons and neutrons in an atom of an element. It is also called a nucleon number. Mass number and is denoted by A symbol.
How to calculate Mass number using this online calculator? To use this online calculator for Mass number, enter Number of Protons (p+) and Number of Neutrons (no) and hit the calculate button. Here is how the Mass number calculation can be explained with given input values -> 12 = 6+6.