Md

Mendelevium

Qaybta 101 · 258.09843 u

Aqoonsiga f-block Waqtiga 7 Cidhiidhi at RT Radioactive t½ 51.5 days Isku dhafan Wikipedia →

Mendelevium ahaa qaybta ugu horeysay ee soo saartay atom kaliya mar.

Eeg astaamaha

Atomic mass258.09843 u
Cidhiidhi10.3 g/cm³
Natiijooyinka1100.0 K
MuuqaalkaMetal (la saadaaliyay)
Xaaladda heerkulka qolkaCidhiidhi

Eegista

Electronegativity1.3 (Pauling)
1st Ionization635.0 kJ/mol
Istaraatiijiyad-93.91 kJ/mol
Nidaamka+2, +3

_Cusub:

Nidaamka[Rn] 5f13 7s2

Dib u eegista

La OgaadayAlbert Ghiorso, Bernard G. Harvey, Gregory R. Choppin, Stanley G. Thompson, Glenn T. Seaborg
Sannadka la helay1955
_MeelBerkeley, California, Maraykanka
MagacaabistaMagacaabista Dmitri Mendeleev, abuuraha liiska wareegsan

_Warbixinta Mendelevium

Mendelevium waxaa la abuuray by bombarding einsteinium la qaybaha alfa. Tijaabada hore oo keliya 17 atoms soo saartay.

Barnaamijyada

No codsiyada dhaqanka. cilmi baarista cilmiga ah oo kaliya.

Xaqiiqo xiiso leh

Mendelevium waa qaybta ugu horeysay ee la aqoonsaday atom hal mar - kaliya 17 atoms ayaa horay loo soo saaray.

Isotoobyo

Tirada Tirada Half-Life Xasiloon
258 - 51.5 days Ha
260 - 27.8 days Ha

Nidaamka

[Rn] 5f13 7s2

La barbardhigo

La barbardhigo qaybaha kale

Fur Qalabka La Xiriirinta
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