Acronym of BK

( Berkelium ) (Berkelium) from elements of the chemical periodic table is. The sign it Bk and atomic number, it 97 is.

physical properties of element :
atomic number: 97
atomic mass: 249٫07
Melting Point:°C, 1050
The radius of the metal: pm 170
capacity: 34
colour: metallic
standard mode: solid radioactive
group name:

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