| Group | ||||
|---|---|---|---|---|
| 15 | 16 | 17 | ||
| 3 |
16
S
Sulfur
[Ne] 3s2 3p4
|
|||
| Period | 4 |
33
As
Arsenic
[Ar] 4s2 3d10 4p3
|
34
Se
Selenium
[Ar] 4s2 3d10 4p4
Name origin:
Moon (with the Greek name selene)
Atomic weight (amu):
78.96
Specific heat capacity (J/gK):
0.321
Density (g/cm3):
4.809
Melting point (K):
453.0
Boiling point (K):
958.0
Electronegativity (Pauling):
2.55
Abundance (mg/kg):
0.05
|
35
Br
Bromine
[Ar] 4s2 3d10 4p5
|
| 5 |
52
Te
Tellurium
[Kr] 5s2 4d10 5p4
|
|||
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.