104Rf
Rutherfordium
러더포듐 · ラザホージウム
Transition metal
Atomic number104
ElementRf — Rutherfordium
Atomic mass267
CategoryTransition metal
Group4
Period7
Electron config[Rn] 5f14 6d2 7s2 (est.)
Shells2,8,18,32,32,10,2
State (RT)Solid (est.)
Melting ptNo data
Boiling ptNo data
Discovered1964
Main usesResearch only (superheavy)
2 · 8 · 18 · 32 · 32 · 10 · 2