If an atom has 34 protons and 40 neutrons, what is its mass number?

asked Nov 5, 2018 152k views

1 vote

7.8k points

Please log in or register to add a comment.

1 vote

add the protons and neutrons together to get the mass number

Synox answered Nov 6, 2018

by Synox

8.3k points

3 votes

The answer is 74.........

8.4k 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