Banye na Elementị

Họrọ ruo 4 elements ka ịtụle uru ha n'otu n'otu.

Pm

Promethium

#61 · Lantịnụ̀

Ụdị145.0 u
Mgbatị7.26 g/cm³
Mkpa1315.0 K
Ńkwádò3273.0 K
Elektrọn1.13
I_onization Energy540.0 kJ/mol
Atomic Radius183.0 pm
Blokịf-block
State (RT)Òtù
Nhazi[Xe] 4f5 6s2
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