Template:Infobox tin

Tin, ₅₀Sn

Tin
Allotropes	alpha, α (gray); beta, β (white)
Appearance	silvery-white (beta, β) or gray (alpha, α)
Standard atomic weight Ar, std(Sn)	118.710(7)
Tin in the periodic table
Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson Ge ↑ Sn ↓ Pb indium ← tin → antimony
Atomic number (Z)	50
Group	group 14 (carbon group)
Period	period 5
Block	p-block
Element category	p-block
Electron configuration	[Kr] 4d10 5s2 5p2
Electrons per shell	2, 8, 18, 18, 4
Physical properties
Phase at STP	solid
Melting point	505.08 K ​(231.93 °C, ​449.47 °F)
Boiling point	2875 K ​(2602 °C, ​4716 °F)
Density (near r.t.)	white, β: 7.265 g/cm3 gray, α: 5.769 g/cm3
when liquid (at m.p.)	6.99 g/cm3
Heat of fusion	white, β: 7.03 kJ/mol
Heat of vaporization	white, β: 296.1 kJ/mol
Molar heat capacity	white, β: 27.112 J/(mol·K)
Vapor pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 1497 1657 1855 2107 2438 2893
Atomic properties
Oxidation states	−4, −3, −2, −1, 0, +1, +2, +3, +4 (an amphoteric oxide)
Electronegativity	Pauling scale: 1.96
Ionization energies	1st: 708.6 kJ/mol 2nd: 1411.8 kJ/mol 3rd: 2943.0 kJ/mol
Atomic radius	empirical: 140 pm
Covalent radius	139±4 pm
Van der Waals radius	217 pm
Spectral lines of tin
Other properties
Natural occurrence	primordial
Crystal structure	​body-centered tetragonal white (β)
Crystal structure	​face-centered diamond-cubic gray (α)
Speed of sound thin rod	2730 m/s (at r.t.) (rolled)
Thermal expansion	22.0 µm/(m·K) (at 25 °C)
Thermal conductivity	66.8 W/(m·K)
Electrical resistivity	115 nΩ·m (at 0 °C)
Magnetic ordering	gray: diamagnetic white (β): paramagnetic
Magnetic susceptibility	(white) +3.1·10−6 cm3/mol (298 K)
Young's modulus	50 GPa
Shear modulus	18 GPa
Bulk modulus	58 GPa
Poisson ratio	0.36
Brinell hardness	50–440 MPa
CAS Number	7440-31-5
History
Discovery	around 35th century BC
Main isotopes of tin
Iso­tope Abun­dance Physics:Half-life (t1/2) Decay mode Pro­duct 112Sn 0.97% stable 114Sn 0.66% stable 115Sn 0.34% stable 116Sn 14.54% stable 117Sn 7.68% stable 118Sn 24.22% stable 119Sn 8.59% stable 120Sn 32.58% stable 122Sn 4.63% stable 124Sn 5.79% stable 126Sn trace 2.3×105 y β− 126Sb

Sn data m.p. cat
	in	calc from C	diff	report	ref
C	231.93	—	—
K	505.08	505.08	0
F	449.47	449.47	0
max precision	2
WD
input	C: 231.93, K: 505.08, F: 449.47
comment

Sn data b.p. cat
	in	calc from C	diff	report	ref
C	2602	—	—
K	2875	2875	0
F	4716	4716	0
max precision	0
WD
input	C: 2602, K: 2875, F: 4716
comment

PTChemistry:tin

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Category (enwiki)
Standard atomic weight
most stable isotope
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Phase at STP
Chemistry:Oxidation states
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Physics:Electron configuration (cmt, ref)
Term symbol * (cmt, ref)
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