Science, asked by Gunpreet6803, 1 year ago

What is the mass number of an atom which has 7 protons and 8 neutrons?

Answers

Answered by mrmaherahman

0

Answer:

15

Explanation:7+8

Answered by risheshshukla12

0

Answer:

Mass no = No. Of protons + Number of neutrons

Mass No. = 7+8 = 15 u.

Atomic No = No. of protons = No. of electrons

= 7

The atom is nitrogen

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