Boron vs Gold
| Property | B Boron | Au Gold |
|---|---|---|
| Atomic number | 5 | 79 |
| Symbol | B | Au |
| Name | Boron | Gold |
| Category | metalloid | transition-metal |
| Standard Atomic Weight | 10.8135 u | 196.966569 u |
| Period | 2 | 6 |
| Group | 13 | 11 |
| Block | p | s |
| Phase at STP | solid | solid |
| Electron configuration | [He]2s22p1 | [Xe]6s14f145d10 |
| Oxidation states | [-5, -1, 0, 1, 2, 3] | [-3, -2, -1, 0, 1, 2, 3, 5] |
| Electronegativity (Pauling) | 2.04 | 2.54 |
| Electron affinity | 0.27972 eV | 2.3086 eV |
| Density | 2370 kg/m³ | 1.928200e+4 kg/m³ |
| Melting point | 2074.85 °C | 1064.18 °C |
| Boiling point | 3999.85 °C | 2855.85 °C |
| Discovery year | 1808 | N/A |