Name Tin
Symbol Sn
Atomic Number 50
Atomic Mass 118.71 atomic mass units
Number of Protons 50
Number of Neutrons 69
Number of Electrons 50
Melting Point 231.9 C
Boiling Point 2270.0 C
Density 7.31 grams per cubic centimeter
Normal Phase Solid
Family Other Metals
Period 5
Cost 50 cents per pound or
$8 per 100 grams



Origin of Name From the Latin word stannum, meaning tin
Date and Place of Discovery Known to the ancients
Discovered by Unknown
Common Compounds
Interesting facts
  • The earliest recorded usage of tin is as early as the Bronze Age.
  • It is very soft and malleable.
  • It can be rolled, pressed or hammered into thin sheets like tin foil.
  • It prevents rusting and is used to protect copper and other metals.
  • Its alloys can be toxic.
Common Uses
  • Coating for other metals to prevent corrosion (steel cans)
  • An alloying agent
  • Reducing agent
  • In glass to produce electrically conductive coatings
  • Panel lighting and frost-free windshields
  • Window glass
  • Electromagnets


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