Md

I-Mendelevium

Ingxenye 101 · 258.09843 u

I-Actinide f-block Isikhathi 7 Iqinile ku-RT I-Radioactive t½ 51.5 days Isingeniso I-Wikipedia →

I-mendelevium yayiyingxenye yokuqala ekhiqiza atomu eyodwa ngasikhathi sinye.

Izici Zobuchopho

I-Atom Mass258.09843 u
Ubukhulu10.3 g/cm³
Izinga lokuncibilika1100.0 K
UkubonakalaI-Metallic (ilindelekile)
Isimo ku-Room TempIqinile

Izici ze-chemical

Electronegativity1.3 (I-Pauling)
I-Ionization Energy635.0 kJ/mol
I-electron affinity-93.91 kJ/mol
I-Oxidation States+2, +3

Izici ze-Atom

I-electron[Rn] 5f13 7s2

Ukuqapha

Itholakele nguAlbert Ghiorso, Bernard G. Harvey, Gregory R. Choppin, Stanley G. Thompson, Glenn T. Seaborg
Unyaka wokuqamba1955
Indawoi-California
Ibizwa ngeIbizwa nge Dmitri Mendeleev, umdali wethebula eliqhubekayo

Malunga I-Mendelevium

I-Mendelevium yakhiwa ngokubulala i-einsteinium ngezinto ezincane ze-alpha. Ukuhlolwa okuqale kwakhiqiza kuphela ama-atomi angama-17.

Izisebenziso

No izicelo ezisebenzayo. Ucwaningo lwesayensi kuphela.

Iqiniso elijabulisayo

I-Mendelium yayiyingxenye yokuqala eyaziwayo ye-atomi eyodwa ngesikhathi -- ama-atomi angama-17 kuphela akhiqizwa ekuqaleni.

Isibonisi

Inani le-mass Ubukhulu Isikhathi esingu-half-life Iqinile
258 - 51.5 days Akukho
260 - 27.8 days Akukho

I-electron

[Rn] 5f13 7s2

Qhathanisa

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