H
Hydrogen
Z 1 1.008 g/molOther Nonmetal
Nucleus
1 Proton
0 Neutrons
1 Electron (1 Valence)
Shell distribution: K1 • L0 • M0 • N0 • O0 • P0 • Q0
Electron Configuration
Energy
7p
6d
5f
7s
6p
5d
4f
6s
5p
4d
5s
4p
3d
4s
3p
3s
2p
2s
1s
1s1
Radii
Empirical
25 pm0.25 Å
Calculated
53 pm0.53 Å
Covalent
31±5 pm0.31±0.05 Å
van Der Waals
120 pm1.2 Å
Oxidation States
CommonRare
-1
0
+1
Crystal Structure
Use the arrow keys to rotate, hold Shift with the left and right arrows to roll, and press Home to reset the view.
Hexagonal close-packed