97 Bk

Actinide

Berkelium

Named after Berkeley.

See it in the interactive periodic table

Properties of Berkelium

Atomic number (Z)
97
Symbol
Bk
Atomic mass
247 g/mol
Category
Actinide
Group
3
Period
7
Electron configuration
[Rn] 5f⁹ 7s²
Electronegativity (Pauling)
1.3
Atomic radius
—
First ionization energy
601 kJ/mol
Melting point
1259 K (985.9 °C)
Boiling point
2900 K (2626.8 °C)
Density
14.79 g/cm³
Phase at 25 °C
Solid
Discovered
Discovered in 1949

Frequently asked questions

What is Berkelium?

Berkelium (Bk) is an actinide, element number 97 on the periodic table. Named after Berkeley.

What is the atomic number and atomic mass of Berkelium?

Berkelium has atomic number 97 and an atomic mass of about 247 g/mol.

What is the electron configuration of Berkelium?

The electron configuration of Berkelium is [Rn] 5f⁹ 7s².

Where is Berkelium on the periodic table?

Berkelium sits in group 3, period 7, and is classified as a actinide.

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