| Group | ||||
|---|---|---|---|---|
| 5 | 6 | 7 | ||
| 5 |
42
Mo
Molybdenum
[Kr] 5s1 4d5
|
|||
| Period | 6 |
73
Ta
Tantalum
[Xe] 6s2 4f14 5d3
|
74
W
Tungsten
[Xe] 6s2 4f14 5d4
Name origin:
the Swedish 'tung sten' meaning heavy stone (W is wolfram, the old name of the tungsten mineral wolframite)
Atomic weight (amu):
183.84
Specific heat capacity (J/gK):
0.132
Density (g/cm3):
19.25
Melting point (K):
3695.0
Boiling point (K):
5828.0
Electronegativity (Pauling):
2.36
Abundance (mg/kg):
1.3
|
75
Re
Rhenium
[Xe] 6s2 4f14 5d5
|
| 7 |
106
Sg
Seaborgium
[Rn] 7s2 5f14 6d4
|
|||
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.