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{
"url": "https://en.wikipedia.org/wiki/Silver",
"status": "ok",
"http_status": 200,
"content_type": "text/html; charset=UTF-8",
"chars": 75824,
"title": "Silver - Wikipedia",
"text": "Silver | Silver, 47Ag | | |---|---| | Silver | | |---|---| | Alternative name | Argentum, pronounced: /ɑːrˈdʒɛntəm/ (ar-JEN-təm) | | Appearance | lustrous white metal | | Standard atomic weight Ar°(Ag) | | | Silver in the periodic table | | | Atomic number (Z) | 47 | | Group | group 11 | | Period | period 5 | | Block | d-block | | Electron configuration | [Kr] 4d10 5s1 | | Electrons per shell | 2, 8, 18, 18, 1 | | Physical properties | | | Phase at STP | solid | | Melting point | 1234.93 K (961.78 °C, 1763.2 °F) | | Boiling point | 2435 K (2162 °C, 3924 °F) | | Density (at 20° C) | 10.503 g/cm3[3] | | (at STP) | 10,515 g/L | | when liquid (at m.p.) | 9.320 g/cm3 | | Heat of fusion | 11.28 kJ/mol | | Heat of vaporisation | 254 kJ/mol | | Molar heat capacity | 25.350 J/(mol·K) | | Specific heat capacity | 235.005 J/(kg·K) | | Vapour pressure | | | Atomic properties | | | Oxidation states | common: +1 −2,[4] −1,[5] 0,[6] +2,[7] +3[7] | | Electronegativity | Pauling scale: 1.93 | | Ionisation energies | | | Atomic radius | empirical: 144 pm | | Covalent radius | 145±5 pm | | Van der Waals radius | 172 pm | | Spectral lines of silver | | | Other properties | | | Natural occurrence | pri…"
}
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