Question

define the term mass number and atomic number with representation.


pls answer quickly it's urgent​

Answer 1

Atomic Number: The atomic number of an atom is the number of protons in its nucleus (i.e. number of electrons in a neutral atom.)

Mass Number: The mass number of an atom is the total number of nucleons (i.e. number of protons and neutrons combined) in its nucleus.

Answer 2

Answer:

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