Question

differentiate mass number from atomic number​

Answer 1

Answer:

The atomic number is the number of electrons present in an atom. It is equal to the number of protons in a neutral atom. It is denoted by symbol z.

The mass number, also called atomic mass number or nucleon number, is the total number of protons and neutrons in an atomic nucleus.

It is represented by A.

Explanation:

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Answer 2

Answer:

Atomic mass is associated with the number of neutrons and protons that are present in a particular nucleus of an element. Atomic number is usually the number of protons present in an element's nucleus. It is the average weight of an element. It is the total number of nucleons in the atom's nucleus.