| Group | ||||
|---|---|---|---|---|
| 9 | 10 | 11 | ||
| Period | 4 |
27
Co
Cobalt
[Ar] 4s2 3d7
|
28
Ni
Nickel
[Ar] 4s2 3d8
Name origin:
the shortened of the German 'kupfernickel' meaning either devil's copper or St. Nicholas's copper
Atomic weight (amu):
58.6934
Specific heat capacity (J/gK):
0.444
Density (g/cm3):
8.912
Melting point (K):
1728.0
Boiling point (K):
3186.0
Electronegativity (Pauling):
1.91
Abundance (mg/kg):
84.0
|
29
Cu
Copper
[Ar] 4s1 3d10
|
| 5 |
46
Pd
Palladium
[Kr] 5s2 4d8
|
|||
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.