Fermium

Fm · Z 100

atomic number: 100
atomic mass: 257
notation: Fm
group: f-block: Actinide
period: 7
state0c: Solid
state20c: Unknown
occurrence: Synthetic
melting pt: 1527
discovered: 1952

categories

#Actinide#Metal

Open on the Periodic Table shelf — the interactive card, the filters, and everything alongside it.

From the All Periodical Elements database in Notion, last edited 2026-08-13. This page is the row, rendered by the build; nothing on it is written by hand.