| Group | ||||
|---|---|---|---|---|
| 15 | 16 | 17 | ||
| Period | 2 |
7
N
Nitrogen
[He] 2s2 2p3
|
8
O
Oxygen
[He] 2s2 2p4
Name origin:
the Greek 'oxy' and 'genes' meaning acid-forming
Atomic weight (amu):
15.999
Specific heat capacity (J/gK):
0.918
Density (g/cm3):
0.001429
Melting point (K):
54.36
Boiling point (K):
90.2
Electronegativity (Pauling):
3.44
Abundance (mg/kg):
461000.0
|
9
F
Fluorine
[He] 2s2 2p5
|
| 3 |
16
S
Sulfur
[Ne] 3s2 3p4
|
|||
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.