china rare metal material co.,ltd
ingorne material

 About Us  ||  Products   ||  Metal  ||  Compound  ||  Alloy  ||  Search  ||  Showing Room  | Contact 

Welcome to CRM!                   Set Homepage - Set Favorite - Contact Us

 

Francium(Fr)  Element

Metals   Alloys   Compounds     Back
Basic Information
Name: Francium
Symbol: Fr
Atomic Number: 87
Atomic Mass: (223.0) amu
Melting Point: 27.0 °C (300.15 °K, 80.6 °F)
Boiling Point: 677.0 °C (950.15 °K, 1250.6 °F)
Number of Protons/Electrons: 87
Number of Neutrons: 136
Classification: Alkali Metal
Crystal Structure: Cubic
Density @ 293 K: Unknown
Color: Unknown

 Back

Copy Right: China Rare Metal Material Co.,Limited

E-mail:sales@china-raremetal.com   Web:www.china-raremetal.com