| Group | |||
|---|---|---|---|
| 17 | 18 | ||
| 2 |
10
Ne
Neon
[He] 2s2 2p6
|
||
| Period | 3 |
17
Cl
Chlorine
[Ne] 3s2 3p5
|
18
Ar
Argon
[Ne] 3s2 3p6
Name origin:
the Greek, 'argos', meaning idle
Atomic weight (amu):
39.948
Specific heat capacity (J/gK):
0.52
Density (g/cm3):
0.0017837
Melting point (K):
83.8
Boiling point (K):
87.3
Electronegativity (Pauling):
unknown
Abundance (mg/kg):
3.5
|
| 4 |
36
Kr
Krypton
[Ar] 4s2 3d10 4p6
|
||
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.