50 · Sn

Tin

Known since antiquity, with no discovery year.

Identity

Atomic number: 50
Symbol: Sn
Canonical name: Tin
Category: post-transition metal
Group: 14
Period: 5
Block: p
Other names: stannum

Properties

These quantities come from the Periodic Table JSON compilation. They have not yet been checked, one by one, against CIAAW atomic weights or NIST measurements. A value marked estimated is not a measurement.

Atomic mass: 118.7107 u
Electron configuration: [Kr] 4d10 5s2 5p2
Electrons per shell: 2, 8, 18, 18, 4
Standard state: solid
Density: 7.365 g/cm³
Melting point: 505.08 K
Boiling point: 2,875 K
Electronegativity: 1.96 Pauling
First ionization energy: 708.6 kJ/mol
Electron affinity: 107.2984 kJ/mol

History

Antiquity

Tin was worked in antiquity. No discovery year can be assigned.

See the element timeline

Etymology

Theme: other
Language: latin
Root: stannum
Meaning: tin

Sources

IUPAC, Periodic Table of the Elements
Bowserinator, Periodic Table JSON. Compilation secondaire d’où viennent les grandeurs physiques importées (masse, densité, températures, énergies). Elles ne sont pas revérifiées une à une auprès du NIST ou de la CIAAW.