an element p atomic no 20 react with an element q atomic no 17 to form a compound write the position of p q in the modern periodic table and the molecular formula of the compound formed when p reacts with q
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electronic configuration of element p=2,8,8,2
its valency is +2
therefore it belongs to 2nd group
electronic configuration of element q=2,8,7
valency is -1
therefore it belongs to 17th group
when element p and q combine the compound formed will be
pq2
hope it helps you
its valency is +2
therefore it belongs to 2nd group
electronic configuration of element q=2,8,7
valency is -1
therefore it belongs to 17th group
when element p and q combine the compound formed will be
pq2
hope it helps you
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