1.

An atom of element A has 3 electrons in its valence shell and an atom of B has 6 electrons in its valence shell. The formula of the compound between these two atoms will be :

Answer»

`A_(3)B_(6)`
`A_(2)B_(3)`
`A_(3) B_(2)`
`A_(2)B` 

Solution :A has three ELECTRONS in its outermost ORBIT, its valency is 3
B has six electrons in its outermost orbit, its valency = 2.
Formula of the compound = `A_(2)B_(3)`


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