Eu

I-Europium

Ingxenye 63 · 151.96 u

I-Lanthanum f-block Isikhathi 6 Iqinile ku-RT I-Wikipedia →

I-Europium iyingxenye yezwe elingavamile kakhulu, esetshenziswa njenge-phosphore ebomvu ezithombeni.

Izici Zobuchopho

I-Atom Mass151.96 u
Ubukhulu5.243 g/cm³
Izinga lokuncibilika1099.0 K
Izinga lokubopha1802.0 K
UkubonakalaIsibhakabhaka-simhlophe esimnyama
Isimo ku-Room TempIqinile

Izici ze-chemical

Electronegativity1.2 (I-Pauling)
I-Ionization Energy547.1 kJ/mol
I-electron affinity11.2 kJ/mol
I-Oxidation States+2, +3

Izici ze-Atom

I-electron[Xe] 4f7 6s2
I-Atom Radius180.0 pm
I-Covalent Radius198.0 pm
I-Van der Waals Radius233.0 pm

Ukuqapha

Itholakele nguEugene-Anatole Demarcay
Unyaka wokuqamba1901
Indawoi-Paris, i-France
Ibizwa ngeIbizwa ngendawo yomhlaba yase-Europe

Malunga I-Europium

I-Europium iyingxenye enamandla kakhulu yezinto eziphilayo ezincane, ezihamba ngokushesha ezinamanzi. Iqukethe ubukhulu obuphansi phakathi kwama-lanthanides. Izinto zayo ezikhanyayo ziyenza ibe ngcono kakhulu ekuboniseni nokuvimbela ukukhangisa.

Izisebenziso

I-phosphores emnyama ebonisa, ama-euro avimbela ukukhangisa amakhadi, nama-nuclear reactor control rods.

Iqiniso elijabulisayo

I-Europium compounds ikhanya ngombala obomvu ngaphansi kwelanga le-UV futhi isetshenziswa njengezibonakalisi zokuvimbela ukukhangisa kwezinkokhelo ze-euro.

Isibonisi

Inani le-mass Ubukhulu Isikhathi esingu-half-life Iqinile
151 0.4781% - Yebo
153 0.5219% - Yebo

I-electron

[Xe] 4f7 6s2

Qhathanisa

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