Ce

I-Cerium

Ingxenye 58 · 140.12 u

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

I-Cerium iyingxenye yeplanethi encane kakhulu, esetshenziswa kuma-catalytic converters kanye nokugcoba kwengilazi.

Izici Zobuchopho

I-Atom Mass140.12 u
Ubukhulu6.77 g/cm³
Izinga lokuncibilika1068.0 K
Izinga lokubopha3716.0 K
UkubonakalaIsibhakabhaka-simhlophe esimnyama
Isimo ku-Room TempIqinile

Izici ze-chemical

Electronegativity1.12 (I-Pauling)
I-Ionization Energy534.4 kJ/mol
I-electron affinity55.0 kJ/mol
I-Oxidation States+3, +4

Izici ze-Atom

I-electron[Xe] 4f1 5d1 6s2
I-Atom Radius181.0 pm
I-Covalent Radius204.0 pm
I-Van der Waals Radius235.0 pm

Ukuqapha

Itholakele nguJons Jacob Berzelius, Wilhelm Hisinger
Unyaka wokuqamba1803
Indawoi-Stockholm, i-Sweden
Ibizwa ngeIbizwa ngeplanethi ye-dwarf i-Ceres

Malunga I-Cerium

I-Cerium iyinsimbi eqinile, emhlophe, eqinile, ejwayelekile kakhulu njenge-copper. Ingashintsha phakathi kwe- +3 ne- +4 oxidation states. I-Cerium oxide iyi-catalyst ebalulekile.

Izisebenziso

Ama-catalytic converters, iglasi lokuhlanza, ama-ovens okuhlanza, ama-flints akhanyayo, neglasi elikhipha i-UV.

Iqiniso elijabulisayo

Naphezu kokubizwa ngokuthi 'izwe elibi,' i-cerium igcwele kakhulu eqhwa leplanethi kune-copper, i-lead, noma i-tin.

Isibonisi

Inani le-mass Ubukhulu Isikhathi esingu-half-life Iqinile
136 0.00185% - Yebo
138 0.00251% - Yebo
140 0.8845% - Yebo
142 0.11114% - Yebo

I-electron

[Xe] 4f1 5d1 6s2

Qhathanisa

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