Mendelevium

Kemiallinen merkki: Md
Järjestysluku: 101
Kategoria: aktinoidit
Ryhmä: n/a
Jakso: 7
Lohko: f
Moolimassa: (258) g/mol
Elektronia kuorilla: 2, 8, 18, 32, 31, 8, 2
CAS-numero: 7440-11-1
Olomuoto: kiinteä
Tiheys: unknown
Sulamispiste: 1100 K (827 °C, 1521 °F)
Kiehumispiste: unknown
Kiderakenne: unknown
Hapetusluvut: 2, 3
Elektronegatiivisuus: 1,3 (Pauling-asteikko)
Nimen alkuperä: Dmitri Mendeleev
Nimen tarkoitus: in honor of the inventor of the periodic table of elements
Faktoja:
- a metallic radioactive transuranic element
- is synthesized by bombarding einsteinium with alpha particles
- 15 radioisotopes of mendelevium have been characterized, with the most stable being mendelevium-258 with a half-life of 51,5 days
- there are no other known uses of mendelevium
- only trace amounts of the element have ever been produced
- is a synthetic element
- its symbol was formerly known as Mv