Tabela periódica

Rutherfórdio (Rf)

Rutherfórdio is the chemical element with atomic number 104 and symbol Rf. It is a metal de transição in period 7, group 4, with a standard atomic weight of 267 u.

Predicted classification. No bulk chemistry has been measured for this element.

Dados essenciais

Z
104
Atomic weight
267 u no stable isotope
Category
metal de transição
State at 298 K
Unknown
Occurrence
synthetic, radioactive
Discovered
1964
CAS
53850-36-5

Configuração eletrónica

2 8 18 32 32 10 2 Rf
Noble gas notation
[Rn] 5f¹⁴ 6d² 7s²
Full notation
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 5f¹⁴ 6s² 6p⁶ 6d² 7s²
Electrons per shell
2, 8, 18, 32, 32, 10, 2

Fontes