Arsenic
| Element Name | Arsenic |
|---|---|
| Symbol | As |
| Atomic Number | 33 |
| Group | Non-Metal |
| Crystal Structure | Rhombohedral |
| Atomic Mass | 74.92159 |
| Electronic Configuration | 2,8,18,5 |
| Orbital Configuration | [Ar] 3d10 4s2 4p3 |
| Valency | -3,0,3,5 |
| Melting Point | 817°C @ 28 atmos. |
| Boiling Point | Sublimes at 613°C |
| Electo-negativity | 2.18 |
| Covalent Radius | 1.20 Å |
