Fm
Fermium
Actinide
Fermium is a synthetic element named after Enrico Fermi. It was discovered in the fallout from the first hydrogen bomb explosion.
Key Facts
Atomic Number
100
Atomic Weight
257
State
Solid
Half-life
100.5 days (Fm-257)
Discovered
1952
Albert Ghiorso and colleagues
Overview
Description
Fermium is a synthetic element named after Enrico Fermi. It was discovered in the fallout from the first hydrogen bomb explosion.
Discovery
Fermium was discovered in 1952 by Albert Ghiorso and colleagues.