Question

define the term atomic number/mass number

Answer 1

Answer:

1. Atomic number: The number of unit positive charge carried by the nucleus of an atom is called atomic number.
2. Mass number: The sum of neutrons and protons is known as mass number.

Explanation:

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Answer 2

Answer:

atomic number :total number of protons present in the neucles of an atom is called A. N

MASS NUMBER:the total number of protons and neutrons present in the neucles of atom