The atoms A and B have electronic configuration (2,8,18,2) and (2,6) respectively What is the valency of A and B with respect to hydrogen
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Explanation:
Answer:
1- atom A .2- atom B 3- A=+2 . 4 - AB
Explanation:
its atomic number is 30 so it can lend 2 electrons and complete octet E. C.
it gains 2 electrons and gets negative charge
+2 ( same answer as 1)
AB because +2 , -2 gets simplify and become 0
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