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Tin is a chemical element with the symbol Sn (for Latin: stannum) and atomic number 50. It is a main group metal in group 14 of the periodic table. Tin shows a chemical similarity to both neighboring group-14 elements, germanium and lead, and has two possible oxidation states, +2 and the slightly more stable +4.
1 Elements and Compounds are pure substances. 2  An element is a pure substance that cannot be decomposed into simpler substances. 3  Elements are listed in the Periodic Table of the Elements. 4  Each element has a 1 or 2 letter symbol. Elements are listed in the Periodic Table of the Elements. 2  Each element has a 1 or 2 letter symbol. 3  A compound is a pure substance that can be decomposed into simpler substances. 4  Compounds are made up of two or more elements.