what is the valency of mercury plz
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Hg has a valency of +1 and +2 in +1 valency it's called mercurous and in +2 valency its called mercuric. In HgCl2 the Valency is different and in Hg2Cl2 valancy is different.
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it has +1 that is called mercurous and has +2 valency called as mercuric
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