Eu

Europium

Izinto 63 · 151.96 u

Lanthanide f- iblock Ixesha 6 I-Solid kwi-RT I-Wikipedia →

I-Europium yinxalenye yehlabathi elingaziwayo elisebenza kakhulu, esetyenziswa njenge-phosphor ebomvu kwi-displays.

Iimpawu Zobuchopho

Ii-atom151.96 u
Uxinano5.243 g/cm³
Incopho yokubila:1099.0 K
Incopho yokubila:1802.0 K
UkubonakalaI-silvery-white metallic
I-State at Room TempI-Solid

Iimpawu zekhemikhali

Electronegativity1.2 (I-Polygon)
I-Ionization Energy547.1 kJ/mol
Electronegativity:11.2 kJ/mol
Iindawo zokuthambisa+2, +3

Iimpahla zephetshana elichazayo:

Uqwalaselo lwe Electron[Xe] 4f7 6s2
Atomic radius:180.0 pm
I-Covalent Radius198.0 pm
I-Van der Waals Radius233.0 pm

Ukufumana kwakhona

Ifunyenwe NguEugene-Anatole Demarcay
Unyaka Wophando1901
IndawoParis, France
Igama ElilandelayoIbizwa ngokuba yi-continent ye-Europe

I-About Europium

I-Europium yiyona nto inamandla kakhulu yomhlaba oqhelekileyo, i-oxidizing ngokukhawuleza kumoya. Inenani eliphantsi loxinzelelo phakathi kwe-lanthanides. Iimpawu zayo ezikhanyayo zenza ukuba ibaluleke kakhulu kwi-displays kunye nokukhusela ukufakelwa.

Iinkqubo

Iiphosphores ezibomvu zokubonakalisa, iimpawu zokukhusela i-euro kwi-banknote, kunye ne-nuclear reactor control rods.

Inyathelo 1:

Ii-europyum compounds zibomvu zibomvu phantsi kwelanga le-UV kwaye zisetyenziswa njengeziphawuli zokuthintela ukufakelwa kwee-euro kwi-banknotes.

I-Isotopes

Inani le-Mass Uninzi Ixesha eliphakathi Iqinile
151 0.4781% - Ewe
153 0.5219% - Ewe

Uqwalaselo lwe Electron

[Xe] 4f7 6s2

Uthelekiso

Uthelekiso nezinye izinto

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