Berkelium

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General Properties
Atomic number	Predicted atomic mass	Half-life of longest living isotope	Electron Configuration	Density	Melting point	First developed
97	247amu	Around 1,400 years	[Rn] 5f₉ 7s₂	14.78g/cm³	986°C	1949

General Properties
Atomic number	97
Atomic mass	247amu
Half-life of longest living isotope	Around 1,400 years
Electron Configuration	[Rn] 5f₉ 7s₂
Density	14.78g/cm³
Melting point	986°C
First discovered	1949

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Description and uses

Berkelium is the 97th element of the periodic table. It was developed in 1949 by Stanley Thompson, Albert Ghiorso, and Glenn Seaborg when they bombarded americium with alpha particles. Its longest living isotope is ²⁴⁷Bk, with a half life of around 1,400 years.

T&C