Question

element A has 3 electrons in the outermost orbit an element B has 6 electrons in the outermost orbit .the formula of the compound formed by A and B would be

Answer 1

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Answer 2

Answer:

A has 3 electrons .

3 is less than 4 .

so valency of A = 3

B has 6 electrons

6 is more than 4 .

so valency of B = 8 – 6 = 2

Now , doing cross product , you get ;

A2B3