| Group | ||||
|---|---|---|---|---|
| 8 | 9 | 10 | ||
| 4 |
27
Co
Cobalt
[Ar] 4s2 3d7
|
|||
| Period | 5 |
44
Ru
Ruthenium
[Kr] 5s2 4d6
|
45
Rh
Rhodium
[Kr] 5s2 4d7
Name origin:
the Greek 'rhodon', meaning rose coloured
Atomic weight (amu):
102.9055
Specific heat capacity (J/gK):
0.243
Density (g/cm3):
12.41
Melting point (K):
2237.0
Boiling point (K):
3968.0
Electronegativity (Pauling):
2.28
Abundance (mg/kg):
0.001
|
46
Pd
Palladium
[Kr] 5s2 4d8
|
| 6 |
77
Ir
Iridium
[Xe] 6s2 4f14 5d7
|
|||
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.