Question

what is full uses of atomic mass number

Answer 1

Each element has a specific atomic number which is the number of protons in the nucleus of the atom. The number starts off with one, which is hydrogen, 2 which is helium, 3 which is lithium, and so on up to 92 which is uranium, and then higher numbers which are man made elements.

Now, the nucleus of an atom usually contains neutrons in addition to the protons. Hydrogen is the only atom which can have no neutrons in the nucleus. The atomic mass is the sum of the number of protons and neutrons.

The atomic number just determines what the atom is. The atomic mass is used to calculate the mass of the element.

Answer 2

uses of atomic mass no. is how much mass of an element's atom.