Chemistry
An element belongs to group II. What would be its valency? Write the formulae of molecules of compounds it will form with elements in VA, VIA and VII A groups.
Atomic Structure
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Answer
The element will have valency 2.
Let the element be A which belongs to group II,
B belongs to group VA which have valency 3,
C belongs to group VIA which have valency 2,
D belongs to group VII A which have valency 1.
Formula of compounds are A3B2, AC, AD2.
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