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47
Ag
107.87
Silver
Transition metals · Group 11 · Period 5
Silver has the highest electrical and thermal conductivity of all metals — just ahead of copper, which is vastly more abundant and therefore the practical choice for conductors; see the copper powder guide for high-purity grades.
Atomic properties
| Atomic number | 47 |
|---|---|
| Symbol | Ag |
| Standard atomic weight | 107.87 |
| Classification | Transition metals |
| Group | 11 |
| Period | 5 |
| Block | d-block |
| Electron configuration | [Kr] 4d10 5s1 |
| Electronegativity (Pauling) | 1.93 |
| Common oxidation states | +1 |
Physical properties
| Phase at 20 °C | Solid |
|---|---|
| Density | 10.49 g/cm³ |
| Melting point | 961.78 °C |
| Boiling point | 2162 °C |
| Discovered | Ancient |
| CAS number | — |