Tin, Sn, is a metallic main group element, found in
of the periodic table.
Atomic Number : 50
Relative Atomic Mass : 118.69
Tin was known from ancient times.
Tin is known to occur in elemental form in some locations. However, the mineral tinstone or cassterite, SnO2, is the principal ores.
Tin is a soft white lustrous metal with a blue tinge.
Tin is harder than lead but softer than zinc.
Tin is not attacked by either air or water.
Tin reacts with hydrochloric acid to form stannous chloride.
Sn + 2 HCl ==> SnCl2 + H2
Tin is used
in the manufacture of tinplate,
is used in solders,
in a range of alloys including
Plumbers Alloy (33% lead and 66% tin),
Pewter (75% tin and 25% lead),
Type Metal (75% lead, 5% tin, and 20% antimony),
Bearing Metal (82% tin,14% antimony, and 4% copper) and
Phosphor Tin (made by adding phosphorus to molten tin).
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