Elements of which of the following group(s) o | vedclass

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(A) The region of the periodic table from group $7$ to $9$ is referred to as the hydride gap because these elements do not form hydrides.Examples of s

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Groups $7, 8, 9$

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(A) The region of the periodic table from group $7$ to $9$ is referred to as the hydride gap because these elements do not form hydrides.Examples of such elements are $Mn, Fe, Co, Ru$,etc.These elements do not form hydrides due to their low affinity for hydrogen in their normal oxidation states.Hence,the correct option is $(A)$.

Elements of which of the following group$(s)$ of the periodic table do not form hydrides?

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