| Group | ||||
|---|---|---|---|---|
| 3 | 4 | 5 | ||
| 5 |
40
Zr
Zirconium
[Kr] 5s2 4d2
|
|||
| Period | 6 |
71
Lu
Lutetium
[Xe] 6s2 4f14 5d1
|
72
Hf
Hafnium
[Xe] 6s2 4f14 5d2
Name origin:
Copenhagen, Denmark (with the Latin name Hafnia)
Atomic weight (amu):
178.49
Specific heat capacity (J/gK):
0.144
Density (g/cm3):
13.31
Melting point (K):
2506.0
Boiling point (K):
4876.0
Electronegativity (Pauling):
1.3
Abundance (mg/kg):
3.0
|
73
Ta
Tantalum
[Xe] 6s2 4f14 5d3
|
| 7 |
104
Rf
Rutherfordium
[Rn] 7s2 5f14 6d2
|
|||
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.