Chemistry, asked by adarshshibu218, 3 days ago

Number of electrons in an atom is 11, number of neutrons is12 .What is its Mass number ?

Answers

Answered by viratkohli07853

1

Answer:

23 is the answer to this question

Answered by priyam060911

0

Answer:

Answer

Correct option is

A

23

The atomic mass of an atom is the sum of protons and neutrons in an atom.

Atomic mass = No.of protons + No. of Neutrons

=11+12

=23

Hence, the correct option is (A)

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