hydrogen
carbon
nitrogen
oxygen
fluorine
sodium
magnesium
aluminium
sulphur
chlorine
argon
potassium
calcium
目前共有3篇帖子。
I2 + 5Cl2 + 6H2O = 2IO3- + 10Cl- + 12H+
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175.155.82.*
2013-4-30 15:25
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