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发表于 2-11-2011 01:09:58|来自:新加坡
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本帖最后由 冷风1985 于 2-11-2011 01:10 编辑
烈帝~ 发表于 1-11-2011 22:59
Can i write chlorine gas for the compound?
The ionic half equation chlorine ion should be liquid rig ...
Chlorine gas is not compound, because there is only one kind of element in the molecule Cl2. Such molecules are called element.
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