| Group | ||||
|---|---|---|---|---|
| 7 | 8 | 9 | ||
| 4 |
26
Fe
Iron
[Ar] 4s2 3d6
|
|||
| Period | 5 |
43
Tc
Technetium
[Kr] 5s2 4d5
|
44
Ru
Ruthenium
[Kr] 5s2 4d6
Name origin:
Russia (with the Latin name Ruthenia)
Atomic weight (amu):
101.07
Specific heat capacity (J/gK):
0.238
Density (g/cm3):
12.37
Melting point (K):
2607.0
Boiling point (K):
4423.0
Electronegativity (Pauling):
2.2
Abundance (mg/kg):
0.001
|
45
Rh
Rhodium
[Kr] 5s2 4d7
|
| 6 |
76
Os
Osmium
[Xe] 6s2 4f14 5d6
|
|||
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.