Dy
Dysprosium
Z 66 162.5 g/molLanthanide
Nucleus
66 Protons
97 Neutrons
66 Electrons (3 Valence)
Shell distribution: K2 • L8 • M18 • N28 • O8 • P2 • Q0
Electron Configuration
Energy
7p
6d
5f
7s
6p
5d
4f
6s
5p
4d
5s
4p
3d
4s
3p
3s
2p
2s
1s
[Xe]4f106s2
Oxidation States
CommonRare
0
Pick a state to see its ions
Radii
Empirical
175 pm1.75 Å
Calculated
228 pm2.28 Å
Covalent
192±7 pm1.92±0.07 Å
Van der Waals
229 pm2.29 Å
IonicDy3+
91.2 pm0.912 Å
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-packedStandard state
Pearson symbol
hP2
Space group
P63/mmc No. 194
Density
8.54 g/cm³