1. Education
Send to a Friend via Email

Discuss in my forum

Ununseptium Facts - Periodic Table of the Chemical Elements

Chemical & Physical Properties

By

Ununseptium would be a radioactive man-made element.

Ununseptium would be a radioactive man-made element.

Architetto Francesco Rollandin, openclipart.org
Periodic Table of the Elements

Ununseptium (eka-astatine)

Symbol: Uus

Atomic Number: 117

Group: presumably a halogen

Name Origin: Un (one) un (one) sept (seven)

Discovery: This element has not been synthesized.

Electron Configuration: [Rn] 5f14 6d10 7s2 7p5 (based on astatine)

©2014 About.com. All rights reserved.