Arsenic
| Atomic number: |
33 |
|
Atomic weight: |
74.92159 |
|
| Shells: |
2,8,18,5 |
|
Orbitals: |
[Ar] 3d10 4s2 4p3 |
|
| Melting point: |
817°C @ 28 atmos. |
|
Boiling point: |
Sublimes at 613°C |
|
| Covalent radius: |
1.20 |
Å |
Atomic volume: |
13.1 |
cm³/mol |
| Atomic radius: |
1.33 |
Å |
Ionic radius: |
.58 (+3) |
Å |
| Electronegativity: |
2.18 |
|
Oxidation states: |
(±3),5 |
|
| 1st ionization pot.: |
9.8152 |
V |
2nd ionization pot.: |
18.633 |
V |
| 3rd ionization pot.: |
28.351 |
V |
Specific heat: |
0.33 |
J/gK |
| Heat of fusion: |
-- |
kJ/mol |
Heat of vapor.: |
34.760 |
kJ/mol |
| Thermal conduct.: |
0.500 |
W/cmK |
Electrical conduct.: |
0.0345 |
10^6/cm ohm |
| Density: |
5.72 |
g/cm³ |
Valence: |
-3,0,3,5 |
|
