| Group | ||||
|---|---|---|---|---|
| 16 | 17 | 18 | ||
| 4 |
35
Br
Bromine
[Ar] 4s2 3d10 4p5
|
|||
| Period | 5 |
52
Te
Tellurium
[Kr] 5s2 4d10 5p4
|
53
I
Iodine
[Kr] 5s2 4d10 5p5
Name origin:
the Greek 'iodes' meaning violet
Atomic weight (amu):
126.90447
Specific heat capacity (J/gK):
0.214
Density (g/cm3):
4.93
Melting point (K):
386.85
Boiling point (K):
457.4
Electronegativity (Pauling):
2.66
Abundance (mg/kg):
0.45
|
54
Xe
Xenon
[Kr] 5s2 4d10 5p6
|
| 6 |
85
At
Astatine
[Xe] 6s2 4f14 5d10 6p5
|
|||
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.