| Group | |||
|---|---|---|---|
| 17 | 18 | ||
| 3 |
18
Ar
Argon
[Ne] 3s2 3p6
|
||
| Period | 4 |
35
Br
Bromine
[Ar] 4s2 3d10 4p5
|
36
Kr
Krypton
[Ar] 4s2 3d10 4p6
Name origin:
the Greek 'kryptos', meaning hidden
Atomic weight (amu):
83.798
Specific heat capacity (J/gK):
0.248
Density (g/cm3):
0.003733
Melting point (K):
115.79
Boiling point (K):
119.93
Electronegativity (Pauling):
3.0
Abundance (mg/kg):
0.001
|
| 5 |
54
Xe
Xenon
[Kr] 5s2 4d10 5p6
|
||
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.