47107.87AgSilver
Silver (Ag) — element 47transition metal · group 11, period 5
Silver is a chemical element with the symbol Ag and atomic number 47. It is a transition metal in group 11, period 5 of the periodic table (the d-block), with a standard atomic mass of 107.87 u. At room temperature (25 °C) silver is a solid.
💡 Known for: The best electrical and thermal conductor of all metals; used in jewellery, coins, mirrors and electronics.
# Silver properties
| Symbol | Ag |
|---|---|
| Atomic number | 47 |
| Atomic mass | 107.87 u |
| Category | transition metal |
| Group | 11 |
| Period | 5 |
| Block | d-block |
| Electron configuration | [Kr] 4d¹⁰ 5s¹ |
| Full configuration | 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s¹ |
| Electrons per shell | 2, 8, 18, 18, 1 |
| Protons / electrons | 47 / 47 |
| State at 25 °C | solid |
| Melting point | 1234.93 K (961.8 °C, 1763.2 °F) |
| Boiling point | 2435 K (2161.8 °C, 3923.3 °F) |
| Density | 10.5 g/cm³ |
| Electronegativity (Pauling) | 1.93 |
| First ionization energy | 7.576 eV |
| Atomic radius | 165 pm |
| Discovered | known since ancient times |
# Electron configuration of silver
The electron configuration of silver is [Kr] 4d¹⁰ 5s¹, written out in full as 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s¹. Its 47 electrons fill 5 shells as 2, 8, 18, 18, 1, so the outermost shell holds 1 electron.
# Related elements
PdPalladiumprevious elementCdCadmiumnext elementCuCoppergroup 11AuGoldgroup 11RgRoentgeniumgroup 11ScScandiumtransition metalTiTitaniumtransition metalVVanadiumtransition metalCrChromiumtransition metalMnManganesetransition metalFeIrontransition metalCoCobalttransition metalNiNickeltransition metal
# Silver FAQ
What is the atomic number of silver?
The atomic number of silver is 47: every silver atom has 47 protons in its nucleus. Its symbol is Ag.
What is the atomic mass of silver?
The standard atomic mass of silver is 107.87 u.
What is the electron configuration of silver?
Silver's electron configuration is [Kr] 4d¹⁰ 5s¹ (1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s¹), with 2, 8, 18, 18, 1 electrons per shell.
Is silver a metal?
Yes. Silver is a transition metal, one of the metals.
What is the melting point of silver?
Silver melts at 1234.93 K (961.8 °C, 1763.2 °F) and boils at 2435 K (2161.8 °C, 3923.3 °F).
What is silver used for / known for?
The best electrical and thermal conductor of all metals; used in jewellery, coins, mirrors and electronics.