Silver
Silver (银, symbol Ag) is chemical element number 47, a Transition Metal in period 5, group 11 of the periodic table, with a standard atomic weight of about 107.87. Highest electrical and thermal conductivity of any metal. Used in jewelry, coins, and electronics.
Properties
| Atomic number | 47 |
|---|---|
| Symbol | Ag |
| Atomic mass | 107.87 u |
| Category | Transition Metal |
| Period | 5 |
| Group | 11 |
| Electron configuration | [Kr] 4d¹⁰ 5s¹ |
| Electronegativity | 1.93 |
| Covalent radius | 145 pm |
| Density | 10.501 g/cm³ |
| Melting point | 1234.93 K |
| Boiling point | 2435 K |
| Discovery | Known since antiquity |
Overview
Highest electrical and thermal conductivity of any metal. Used in jewelry, coins, and electronics. Silver (Ag) holds position 47 in the periodic table, a Transition Metal in period 5, group 11. As a transition metal it commonly shows several oxidation states, forms coloured compounds, and is widely used in catalysts and alloys.
Its electron configuration is [Kr] 4d¹⁰ 5s¹, with 1 electron in the outer shell, and an electronegativity of about 1.93 (Pauling). Around 25 °C it is usually a solid; it melts near 1234.93 K (961.8 °C), boils near 2435 K (2161.9 °C), has a density around 10.501 g/cm³.
In industry and daily life it turns up in Precious Metal, Electronics / Semiconductors and Medical / Pharma. It has been known since antiquity. See more trends in the visualization center.
Electron shells
Electrons per shell: 2 · 8 · 18 · 18 · 1
Main uses
- Precious Metal
- Electronics / Semiconductors
- Medical / Pharma
Hazard
Compounds containing Silver
No compounds in this knowledge base contain Silver yet.
Data sources
Atomic mass uses IUPAC (CIAAW) standard atomic weights; the covalent radius is from Cordero et al. (2008). Verify on the RSC Periodic Table, PubChem and Wikipedia. Educational reference only.