Ashok Joshi
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Why do hydrogen, lithium, and sodium atoms have a valency of one?

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Because they each contain one electron in their outermost shell, which can be lost to achieve a stable electron configuration.

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1 Answer

  1. Hydrogen, lithium, and sodium atoms have a valency of one because they each have one electron in their outermost shell. To achieve stability, they readily donate this electron, forming ions with a +1 charge.

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