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Silver (Ag)
Atomic number 47 · transition
| Atomic number | 47 |
|---|---|
| Atomic mass | 107.8682 u |
| Molar mass | 107.8682 g/mol |
| Category | transition |
| Group / period / block | 11 / 5 / d |
| Electron configuration | [Kr] 4d10 5s |
| Electrons per shell | 2, 8, 18, 18, 1 |
| Electronegativity (Pauling) | 1.93 |
| Atomic radius | 160.0 pm |
| Density | 10.5 g/cm³ |
| First ionisation energy | 7.5762 eV |
| Melting point | 1234.93 K (961.78 °C) |
| Boiling point | 2435.15 K (2162.00 °C) |
| Common oxidation states | +1 |
| Abundance in Earth's crust | 0.075 ppm |
Uses
Jewellery, mirrors, electronics
Discovery
Known since ancient times