H
Reactive nonmetal
Hydrogen
Z 1A 1mass 1.008
Atomic model
tap a particleEvery nucleon is drawn individually — 1 protons and 0 neutrons packed into the nucleus, with 1 electrons on shells outside.
1+1
Protons
Set the element — change this and it becomes a different atom.
00
Neutrons
Change only these and you get a different isotope of the same element.
1−1
Electrons
Sit outside the nucleus and decide the chemistry, not the element.
Element data
- Nucleons
- 1 (1 p + 0 n)
- Electron shells
- 1
- Valence shell
- 1 electrons
- Atomic mass
- 1.008 u