80.3k views
2 votes
If an atom contains 11 protons and 12 neutrons, what is its mass number?

User Kuvo
by
7.9k points

1 Answer

4 votes

Answer: The mass number will be 23

Explanation: The mass number refers back to the number of protons and neutrons.

User Stevetro
by
7.5k points

No related questions found

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