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Tin (Sn)

Tin (Sn) is element 50 of the periodic table, a post-transition metal in period 5 and group 14. Its standard atomic weight is 118.71, so one mole of tin atoms has a mass of 118.71 g. At room temperature it is a solid; it melts at 231.93 °C and boils at 2601.85 °C.

50 Sn Tin 118.71

Period 5, group 14 · Post-transition metal

← In Indium Sb Antimony →

Atomic number	50
Symbol	Sn
Standard atomic weight	118.71
Molar mass	118.71 g/mol
Category	Post-transition metal
Group	14
Period	5
Block	p-block
Electron configuration	[Kr] 5s² 4d¹⁰ 5p²
Oxidation states	+4, +2
Electronegativity (Pauling)	1.96
Atomic radius (van der Waals)	217 pm
First ionisation energy	7.344 eV (708.6 kJ/mol)
Electron affinity	1.2 eV
State at room temperature	Solid
Melting point	505.08 K (231.93 °C)
Boiling point	2875 K (2601.85 °C)
Density	7.287 g/cm³
Discovered	Known since antiquity

Group 14

C · Carbon Si · Silicon Ge · Germanium Pb · Lead Fl · Flerovium

Calculate with Tin

Molar mass of Sn Balance an equation Grams, moles and particles Whole periodic table

Atomic weight: IUPAC CIAAW standard atomic weight. Other properties: PubChem (U.S. National Library of Medicine, public domain). Values such as melting point and radius depend on how they were measured; check a data book for precise work.