Eu

Europeum

Qaybta 63 · 151.96 u

Lanthanide f-block Waqtiga 6 Cidhiidhi at RT Wikipedia →

Europium waa qaybta dhulka ugu reactive yar, loo isticmaalo sida phosphor cad in bandhigyada.

Eeg astaamaha

Atomic mass151.96 u
Cidhiidhi5.243 g/cm³
Natiijooyinka1099.0 K
Natiijooyinka1802.0 K
MuuqaalkaMadow oo fidsan oo bir ah
Xaaladda heerkulka qolkaCidhiidhi

Eegista

Electronegativity1.2 (Pauling)
1st Ionization547.1 kJ/mol
Istaraatiijiyad11.2 kJ/mol
Nidaamka+2, +3

_Cusub:

Nidaamka[Xe] 4f7 6s2
Awooda180.0 pm
Xaraf198.0 pm
Van der Waals233.0 pm

Dib u eegista

La OgaadayEugene-Anatole Demarcay
Sannadka la helay1901
_MeelParis, Faransiiska
MagacaabistaWaxaa laga soo qaatay qaaradda Yurub

_Warbixinta Europeum

Europium waa ugu reactive ee qaybaha dhulka yar yar, si deg deg ah u oxide in hawada. Waxay leedahay tirada ugu yar ee lanthanides dhexdooda.

Barnaamijyada

Phosphors guduudan ee bandhigyada, euro lacag caddaan ah oo ka dhan ah calaamadaha been abuurka ah, iyo qalabka xakamaynta nukliyeerka.

Xaqiiqo xiiso leh

Europium isku darka fluoresce cad hoos iftiinka UV iyo waxaa loo isticmaalaa sida anti-falsification calaamadaha in lacagaha Euro.

Isotoobyo

Tirada Tirada Half-Life Xasiloon
151 0.4781% - Haa
153 0.5219% - Haa

Nidaamka

[Xe] 4f7 6s2

La barbardhigo

La barbardhigo qaybaha kale

Fur Qalabka La Xiriirinta
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