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Q.

Two elements A and B have following electronic configuration.
A= 1s²2s²2p⁶3s²
B= 1s²2s²2p⁶3s²3p³
If expected compound formed by A and B is A_xB_y then sum of x and y is :

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a

2

b

3

c

4

d

5

answer is D.

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Detailed Solution

A is having 2 e^-in the outer most shell and B is having 3 e^-

Their formula will be A₃B₂

So the value of x is 3 and y is 2 and therefore the sum of x and y is 3+2=5

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Two elements A and B have following electronic configuration. A= 1s22s22p63s2B= 1s22s22p63s23p3If expected compound formed by A and B is AxBy then sum of x and y is :