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which elements has 1 valence electron in its outer shell and will react with a group 17 elements in a 1:1 ratio

User Jpbochi
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1 Answer

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Answer:Sodium(Na)

Explanation: According to electronic configuration of sodium, the outer shell has 1 unpaired electron. So, It will react with halogen elements (group 17) to form NaX. Where X is halogen element and ratio is maintained that is 1:1.

User Rinaz Belhaj
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