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Group 8 element
Group 8
in the periodic table
group 7
←
→
group 9
IUPAC group number
8
Name by element
iron group
CAS group number
(US, pattern A-B-A)
part of VIIIB
old IUPAC number
(Europe, pattern A-B)
part of VIII
↓
Period
4
Iron
(Fe)
26
Transition metal
5
Ruthenium
(Ru)
44
Transition metal
6
Osmium
(Os)
76
Transition metal
7
Hassium
(Hs)
108
Transition metal
Legend
primordial element
synthetic element
Atomic number color:
black=solid
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