All Subjects
Light
AP Chemistry
The atomic mass is the total weight of protons, neutrons, and electrons in a single atom when at rest.
congrats on reading the definition of Atomic Mass. now let's actually learn it.
Proton: A subatomic particle with a positive charge that resides in an atom's nucleus.
Neutron: A subatomic particle with no charge (neutral) that also resides in an atom's nucleus.
Electron: A subatomic particle with a negative charge that orbits around the nucleus of an atom.