define valency?what is the valency of chlorine and magnesium
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The combining capacity of a molecule is known as its valency. The valency of chlorine is negative 1 and the valency of magnesium is plus two.
hitme0244:
These are ions my friend.
Not Valency
Umm, ok valency is for atoms, ions are connected to molecules
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Valency is a measure of its combining power with other atoms when it forms chemical compounds or molecules.
Magnesium - 2
Chlorine - 1
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