Question

what is meant by atomic number of an element and mass number

Answer 1

atomic number is the number of neutrons in a element and mass number is the approximate weight of the element

Answer 2

Hii

Gdnght☆☆☆

The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus. The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number (Z).

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