Home / Elements / Roentgenium
111 Rg [282] u
Roentgenium
Transition metal
Atomic no.111
Atomic mass[282] u
Period7
Group11
Phase (25°C)Solid
Discovered1994
Did you knowNamed after Wilhelm Rontgen
Element photos
Loading HD photos…
Ask AI about Roentgenium
Powered by Claude AI · Ask about uses, history, reactions, fun facts
← Previous Darmstadtium Element 110 Next → Copernicium Element 112