Question

Define Mass number and Atomic number?​

Answer 1

mass number

The sum of the number of protons and the number of neutrons in an atom.

atomic number

The number of protons in an atom.

Answer 2

Answer:

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Explanation:

MASS NUMBER :- THE SUM OF ATOMIC NUMBER AND NUMBER OF PROTON IS CALLED MASS NUMBER.

ATIMIC NUMBER:- THE NUMBER OF PROTON IN A ATOM IS CALLED ITS ATOMIC NUMBER. IN A ATOM THE NUMBER OF PROTONS IS EQUAL TO THE NUMBER OF ELECTRONS IN THE SAME ATOM.

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