1. Education
You can opt-out at any time. Please refer to our privacy policy for contact information.

Discuss in my forum

Berkelium Facts

Chemical & Physical Properties of Berkelium

By

This is the berkelium, dissolved, that was used to synthesize element 117.

This is the berkelium, dissolved, that was used to synthesize element 117. It took 250 days to make this much berkelium!

ORNL, Department of Energy Berkelium is a silvery radioactive metal.

Berkelium is a silvery radioactive metal.

Justin Urgitis This diagram of a berkelium atom shows the electron shell.

This diagram of a berkelium atom shows the electron shell.

Greg Robson,Creative Common License
Periodic Table of the Elements

 

Berkelium

Atomic Number: 97

Symbol: Bk

Atomic Weight: 247.0703

Discovery: G.T. Seaborg, S.G. Tompson, A. Ghiorso 1949 (United States)

Electron Configuration: [Rn] 5f9 7s2

Element Classification: Radioactive Rare Earth (Actinide)

Name Origin: Named after Berkeley, California, where it was discovered.

Density (g/cc): 13.25

Appearance: metallic

Pauling Negativity Number: 1.3

First Ionizing Energy (kJ/mol): (600)

Oxidation States: 4, 3

References: Los Alamos National Laboratory (2001), Crescent Chemical Company (2001), Lange's Handbook of Chemistry (1952), CRC Handbook of Chemistry & Physics (18th Ed.)

 

Return to the Periodic Table

Chemistry Encyclopedia

©2014 About.com. All rights reserved.