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- hydrogen exists as H- ion. 4. The number of H atoms with which an element combines to form its normal hydride is equal to itsvalency.
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alsihana:
cloride- cl-
Valency is the combining power of an atom; so, when we talk of iron having a valency of 2, it can combine either with two atoms of valency of one; or with one atom of valency of two. Oxygen has a valency of two and so the formula for iron (II) oxide is FeO
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Answer:hydrogen exists as H- ion. The number of H atoms with which an element combines to form its normal hydride is equal to its valency
Explanation:
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