| Group | ||||
|---|---|---|---|---|
| 12 | 13 | 14 | ||
| 4 |
31
Ga
Gallium
[Ar] 4s2 3d10 4p1
|
|||
| Period | 5 |
48
Cd
Cadmium
[Kr] 5s2 4d10
|
49
In
Indium
[Kr] 5s2 4d10 5p1
Name origin:
the Latin 'indicium', meaning violet or indigo
Atomic weight (amu):
114.818
Specific heat capacity (J/gK):
0.233
Density (g/cm3):
7.31
Melting point (K):
429.75
Boiling point (K):
2345.0
Electronegativity (Pauling):
1.78
Abundance (mg/kg):
0.25
|
50
Sn
Tin
[Kr] 5s2 4d10 5p2
|
| 6 |
81
Tl
Thallium
[Xe] 6s2 4f14 5d10 6p1
|
|||
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.