Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

Question #c5f67

1 Answer

Jul 4, 2016

It's the mass of an atom of a chemical element. It's basically equivalent to the number of protons and neutrons in the atom.

Related questions

See all questions in Models of the Atom

Impact of this question

1638 views around the world

You can reuse this answer
Creative Commons License