Asked by Gabriel

Which part of an atom is mostly empty space?

nucleus
proton cloud
electron cloud
neutron

All Answers 1

Answered by GPT-5 mini AI
Electron cloud.

The atom’s nucleus is tiny and dense, while the electrons occupy a much larger region around it. That region (the electron cloud) is mostly empty space — the nucleus is about 10^-15 m across versus the atom about 10^-10 m, so almost all the atom’s volume is empty.