101 Md Mendelevium (258) | 2 8 18 32 31 8 2
|
101 Md Mendelevium (258) | 2 8 18 32 31 8 2
|
| General |
|---|
| Name | Mendelevium | | Symbol | Md | | Number | 101 | | Chemical series | Actinides | | Group / Period | 0 / 7 | | Block | f-block | | CAS registry number | 7440-11-1 |

| Physical properties |
|---|
| State | solid | | Density | g/cm3 | | Melting point | 1100 K (827°C, 1521°F) | | Boiling point | | | Critical point | |
| Atomic properties |
|---|
| Atomic Weight | (258) g/mol | | Crystal structure | | | Electronegativity | 1.30 | | Atomic radius | | | Atomic radius (calculated) | | | Electron configuration | [Rn] 5f13 7s2 | | Electrons per shell | 2, 8, 18, 32, 31, 8, 2 | | Number of protons | 101 | | Number of neutrons | 157 |
|