Mendelevium
Mendelevium is a synthetic element with the symbol Md (formerly Mv) and the atomic number 101. A metallic radioactive transuranic element of the actinides, mendelevium is synthesized by bombarding einsteinium with alpha particles.
| General | |
|---|---|
| Name, Symbol, Number | mendelevium, Md, 101 |
| Chemical series | actinides |
| Group, Period, Block | n/a, 7, f |
| Appearance | unknown, probably silvery white or metallic gray |
| Standard atomic weight | (258) g·mol-1 |
| Electrons per shell | 2, 8, 18, 32, 31, 8, 2 |
| Physical properties | |
| Phase | solid |
| Melting point | 1100K (827°C, 1521°F) |
| Atomic properties | |
| Oxidation states | 2, 3 |
| Electronegativity | 1.3 (Pauling scale) |
| Ionization energies | 1st: 635 kJ/mol |
| Miscellaneous | |
| Magnetic ordering | no data |
| CAS registry number | 7440-11-1 |
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