锡 Tin
（重定向自Stannous ion）
锡是一种化学元素，其化学符号是Sn（拉丁语Stannum的缩写），它的原子序数是50。它是一种主族金属。纯的锡有银灰色的金属光泽，它拥有良好的伸展性能，它在空气中不易氧化，它的多种合金有防腐蚀的性能，因此它常被用来作为其它金属的防腐层。锡的主要来源是它的一种氧化物矿物锡石（SnO2），盛产于中国云南、马来西亚等地。
Stannous ion
中文百科
英语百科
Tin 锡
（重定向自Stannous ion）
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![Ball-and-stick models of the structure of solid stannous chloride (SnCl2).[27]](/uploads/202502/13/Tin(II)-chloride-xtal-1996-3D-balls-front1258.png)
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. Tin is the 49th most abundant element and has, with 10 stable isotopes, the largest number of stable isotopes in the periodic table. It is a silvery, malleable other metal that is not easily oxidized in air, obtained chiefly from the mineral cassiterite where it occurs as tin dioxide, SnO2.
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