211k views
2 votes
What is the mass of an atom that has 4 protons, 5 neutrons, and 4 electrons?

User GenDemo
by
8.4k points

2 Answers

3 votes
the answer would be 9
User Astraport
by
8.6k points
4 votes
To get the mass, you would add the 4 protons and 5 neutrons so it would be 9.
(The electrons weigh practically nothing so you just ignore them.)
User Deepanjan Nag
by
8.0k points

No related questions found

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