Question

2. Atomic mass number is a whole ni​

Answer 1

Answer:

Atomic number and mass number are always whole numbers because they are obtained by counting whole objects (protons, neutrons, and electrons). The sum of the mass number and the atomic number for an atom (A-Z) corresponds to the total number of subatomic particles present in the atom.

Answer 2

Answer:

Number of proton present in an atom is called atomic mass

Explanation:

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