Astatine (At)
Element number 85, from the halogens family.
Astatine facts
- Symbol
- At
- Atomic number
- 85
- Atomic mass
- 210
- Family
- Halogens
- Period
- 6
- Group
- 17
What does astatine react with?
In our lab astatine 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.