Tin

Document v1 · published by Koskamo · updated 2026-10-04

Tin (Sn) is chemical element 50, a post-transition metal in group 14, period 5 (PubChem).

Atomic number: 50
Symbol: Sn
Group: 14
Period: 5
Atomic mass: 118.71 u
Electron configuration: [Kr]5s2 4d10 5p2
Electronegativity (Pauling scale): 1.96
Atomic radius (van der Waals): 217 pm
Ionization energy: 7.344 eV
Electron affinity: 1.2 eV
Oxidation states: +4, +2
Standard state: Solid
Melting point: 505.08 K
Boiling point: 2875 K
Density: 7.287 g/cm³
Chemical group: Post-transition metal
Year discovered: Ancient

Source and provenance

Original source: pubchem.ncbi.nlm.nih.gov
Published on Koskamo by: Koskamo
Citation version: Document v1
Reuse: PubChem periodic table data (NIH/NLM, pubchem.ncbi.nlm.nih.gov/ptable); group and period from Jefferson Lab via PubChem

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Version history

Published by Koskamo2026-10-04
Version 1