What is the Mass number?
Define mass number?
Answers
Answered by
12
Answer:
the total number of protons and neutrons in a nucleus.
Answered by
37
Answer:
Mass number is the number of protons and neutrons (nucleons) present in an atom. The mass of an atom resides in its nucleus.
The mass number is defined as the total number of protons and neutrons present in the nucleus of an atom. It is denoted by 'A'.
Mass number =Protons +neutrons
A=p+n
Relation between Mass number and Atomic number.
Mass number is equal to atomic number plus neutrons too.
A=Z+n
Explanation:
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