the valency of elements in group 1(1A)
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7
Answer:
Explanation:
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 .
Answered by
3
Answer:
Explanation:
the elements in group 1A are hydrogen,lithium,sodium, potassium,rubidium, caesium,francium.
They form one positive ion
All are metals.
Valency means number of electron lose or gain by an element
Therefore valency will be 1 for elements of group 1A
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