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Tin (Sn)
Atomic number 50 · post
| Atomic number | 50 |
|---|---|
| Atomic mass | 118.71 u |
| Molar mass | 118.71 g/mol |
| Category | post |
| Group / period / block | 14 / 5 / p |
| Electron configuration | [Kr] 4d10 5s2 5p2 |
| Electrons per shell | 2, 8, 18, 18, 4 |
| Electronegativity (Pauling) | 1.96 |
| Atomic radius | 145.0 pm |
| Density | 7.287 g/cm³ |
| First ionisation energy | 7.3439 eV |
| Melting point | 505.08 K (231.93 °C) |
| Boiling point | 2859.15 K (2586.00 °C) |
| Common oxidation states | -4, +2, +4 |
| Abundance in Earth's crust | 2.3 ppm |
Uses
Coating for cans, solder, bronze
Discovery
Known since ancient times