Francium (Fr)
Element number 87, from the alkali metals family.
Francium facts
- Symbol
- Fr
- Atomic number
- 87
- Atomic mass
- 223
- Family
- Alkali metals
- Period
- 7
- Group
- 1
What does francium react with?
In our lab francium doesn't make any new substances when it's simply mixed with the others.
119 pairings have never been tried, because not enough atoms have ever existed.