Ho
Holmium
Element 67 · Lanthanide · Period 6, Group 13
Solid · Discovered 1878
Atomic Properties
| Atomic Number | 67 |
| Atomic Mass | 164.93033u |
| Electron Configuration | [Xe]6s2 4f11 |
| Electronegativity | 1.23Pauling |
| Atomic Radius | 216pm |
| Ionization Energy | 6.022eV |
| Oxidation States | +3 |
Physical Properties
| Standard State | Solid |
| Melting Point | 1747K |
| Boiling Point | 2973K |
| Density | 8.8g/cm³ |
| Group Block | Lanthanide |
| Year Discovered | 1878 |