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Write the valencies of all the A groups |
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Answer» All elements in group 1 have 1 VALENCE ELECTRON so they have a valency of +1 as they will tend to GIVE up 1 electron. This is the same for group 2 which will give up two electrons and group 3 which will give up 3 electron .Explanation:Hope it helps you. Stay HAPPY and blessed!! |
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