Periodic Table · element

Bohrium

Bh · Z 107

atomic number
107
atomic mass
270
notation
Bh
group
7: Manganese
period
7
state0c
Solid
state20c
Unknown
occurrence
Synthetic
discovered
1981

categories

#Metal#Transition 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.