Compare Element Properties
| Property | As Arsenic | ? N/A |
|---|---|---|
| Atomic number | 33 | N/A |
| Symbol | As | N/A |
| Name | Arsenic | N/A |
| Category | metalloid | N/A |
| Standard Atomic Weight | 74.921595 u | N/A |
| Period | 4 | N/A |
| Group | 15 | N/A |
| Block | p | N/A |
| Phase at STP | solid | N/A |
| Electron configuration | [Ar]4s23d104p3 | N/A |
| Oxidation states | [-3, -2, -1, 0, 1, 2, 3, 4, 5] | N/A |
| Electronegativity (Pauling) | 2.18 | N/A |
| Electron affinity | 0.81 eV | N/A |
| Density | 5776 kg/m³ | N/A |
| Melting point | 816.85 °C | N/A |
| Boiling point | 613.85 °C | N/A |
| Discovery year | 1250 | N/A |