File to download:
Title: Francium - PowerPoint PPT Presentation
Description: Francium Atomic number: 87 Atomic mass: 223 Symbol: Fr Discovered in 1939 in Paris by Mlle. Marguerite Perey. Heaviest known metal in alkali series. – PowerPoint PPT presentation
We are sorry, but the downloadble file for this presentation is no longer available.
' Close