Element 47
Silver (Ag)
Silver (Ag) is element 47 of the periodic table, a transition metal in period 5, group 11 (d-block) with an atomic mass of 107.87 and is a solid at standard conditions.
At a glance
- Atomic number
- 47
- Symbol
- Ag
- Atomic mass
- 107.87 u
- Category
- Transition metals
- Period
- 5
- Group
- 11
- Block
- d-block
- Phase at STP
- solid
Electron structure
- Electron configuration
- 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s1
- Shorthand configuration
- [Kr] 4d10 5s1
- Electrons per shell
- 2, 8, 18, 18, 1
- Oxidation states
- -2, -1, +1, +2, +3, +4
Physical properties
- Melting point
- 1,234.93 K (961.78 °C)
- Boiling point
- 2,435 K (2,161.85 °C)
- Density
- 10.501 g/cm³
- Phase
- solid
Atomic properties
- Electronegativity (Pauling)
- 1.93
- Atomic radius
- 165 pm
- Covalent radius
- 145 pm
- Van der Waals radius
- 172 pm
- First ionization energy
- 731 kJ/mol
- Electron affinity
- 126 kJ/mol
Notable isotopes
| Isotope | Mass | Abundance | Stability |
|---|---|---|---|
| Ag-107 | 106.90509 | 51.84% | Stable |
Common uses
- Jewelry
- Electronics
- Photography
- Medicine
Discovery
- Discovered by
- Known since antiquity
- Country
- Unknown
Frequently asked questions
- Is silver a metal?
- Yes. Silver is a metal, classified as a transition metal on the periodic table.
- How many protons does silver have?
- Silver has 47 protons. Its atomic number is 47, which is also the number of electrons in a neutral atom of silver.
- What group and period is silver in?
- Silver is in group 11 and period 5 of the periodic table, in the d-block.
- What is the atomic mass of silver?
- The atomic mass of silver is 107.87 u (unified atomic mass units).
Keep exploring
Silver's row is on the printable element property sheet, and its tile is on the periodic table wall chart - the same numbers as above, laid out for A4 or A3 paper.