| Group | ||||
|---|---|---|---|---|
| 3 | 4 | 5 | ||
| 6 |
72
Hf
Hafnium
[Xe] 6s2 4f14 5d2
|
|||
| Period | 7 |
103
Lr
Lawrencium
[Rn] 7s2 5f14 7p1
|
104
Rf
Rutherfordium
[Rn] 7s2 5f14 6d2
Name origin:
Ernest Rutherford, chemist and physicist
Atomic weight (amu):
267.0
Specific heat capacity (J/gK):
Density (g/cm3):
23.2
Melting point (K):
2400.0
Boiling point (K):
5800.0
Electronegativity (Pauling):
unknown
Abundance (mg/kg):
0.0
|
105
Db
Dubnium
[Rn] 7s2 5f14 6d3
|
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.