Tin (Sn) — Element 50: Properties & Data | Aladdin Scientific
Tin(Sn) — Element 50
Tin (Sn) is a post-transition metal with atomic number 50 and atomic mass 118.71. It has melting point 505.08 K (232 °C), boiling point 2875 K (2602 °C), density 7.287 g/cm³. It sits in group 14 and period 5 of the periodic table and has been known since antiquity.
Key facts
| Atomic mass | 118.7100 u |
|---|---|
| Electron configuration | [Kr]5s2 4d10 5p2 |
| Oxidation states | +4, +2 |
| Electronegativity (Pauling) | 1.96 |
| Atomic radius (van der Waals) | 217 pm |
| Ionization energy | 7.344 eV |
| Electron affinity | 1.2 eV |
| Melting point | 505.08 K |
| Boiling point | 2875 K |
| Density | 7.287 g/cm³ |
| Standard state | Solid |
| Year discovered | Ancient |
Frequently asked questions
What is the electron configuration of tin?
The ground-state electron configuration of tin is [Kr]5s2 4d10 5p2.
What group and period is tin in?
Tin (Sn) is in group 14 and period 5 of the periodic table, classified as a post-transition metal.
What is the melting point of tin?
Tin melts at 505.08 K (232 °C).
What is the standard state of tin?
Tin is a solid at standard temperature and pressure.
Related elements
About this data: property values compiled from IUPAC Standard Atomic Weights (2021), the NIST Atomic Spectra Database, and PubChem. Curated by the Aladdin Scientific technical team. Last reviewed: .