Where do we get the mass number

asked Nov 8, 2022 17.6k views

4 votes

9.1k points

Please log in or register to add a comment.

6 votes

Step-by-step explanation:

Mass number is the sum of the numbers of protons and neutrons present in the nucleus of an atom.

Pktangyue answered Nov 14, 2022

7.7k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers