explain about valency of anions and cations
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The valencies of Anions are mostly positive(metals)
The valencies of Cation are mostly negative (Non-Metals)
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Explanation:
The electronic configuration of many ions is that of the closest noble gas to them in the periodic table. An anion is an ion that has gained one or more electrons, acquiring a negative charge. A cation is an ion that has lost one or more electrons, gaining a positive charge.
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