Question

atomic mass number is a whole number...... (give reasons)

Answer 1

hey mate here is ur ans

mass number is the sum of protons and neutrons that is the number of nucleons present in the nucleus of an atom so it is a whole number as protons or neutron cant exist in fractional or divided form

hope it helps you
have a great day ahead

Answer 2

Atomic mass number is a whole number

• The atomic number is a whole number due to the reason that there must always be a 'whole number of 'protons' in a nucleus'.

• There was no possibility of fractions of a proton.

• The atomic 'mass number' is constantly a whole number for the identical reason.

• protons and neutrons regularly appear in single units, not infractions.

• This is because the mass number of  element represents the 'total number of protons' and neutrons commonly existing in the nucleus of the given atom.

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