Tin

Tin is a chemical element with the symbol Sn (Latin: Stannum) and atomic number 50. It is a main group metal in group 14 of the periodic table. Tin shows chemical similarity to both neighboring group 14 elements, germanium and lead, like the two possible oxidation states +2 and +4. Tin is the 49th most abundant element and has, with 10 stable isotopes, the largest number of stable isotopes in the periodic table. Tin is obtained chiefly from the m... more

Chemical Element

The 50th Element in the Periodic Table

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Indium

Indium (pronounced /ˈɪndiəm/, IN-dee-əm) is a chemical element with chemical symbol In and atomic number 49. This rare, soft, malleable and easily...

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Antimony

Antimony (pronounced /ˈæntɨmɵnɪ/ AN-ti-mo-nee) is a chemical element with the symbol Sb (Latin: stibium, meaning "mark") and atomic number 51. A...

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Symbol:

  • Sn

Atomic mass:

Mass Uncertainty
  • 118.71 u (1.9712E-16 µg )
  • 0.007 u (1.16E-20 µg )

Electrons per shell:

  • 2, 8, 18, 18, 4

Electron affinity:

Value Uncertainty
  • 1.11207 eV (0.00000111207 MeV )
  • 0.00002 eV (1.5E-11 MeV )

Electronegativity (Pauling scale):

  • 1.96

Atomic radius:

  • 145 pm (0.00000571 )

Covalent radius:

  • 1.41 pm (5.55E-8 )

Van der Waals radius:

  • 225 pm (0.00000886 )

Melting Point:

  • 231.97 °C (449.55 °F )

Boiling Point:

  • 2,602.85 °C (4717.18 °F )

Chemical series:

Periodic table block:

Ionization Energy:

  • 7.3439 eV (0.0000073439 MeV )

Discovery Date:

  • 3500 B.C.E.

Electron Configuration:

  • Kr 4d10 5s2 5p2
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