Question

find out the number electron present in last shell of an atom having atomic number 15​

Answer 1

Answer:

@#(_(_) _+_-_(#) 3+_) _-_) ₹(_+₹) _-_((₹+_(_+_(+_(₹(_+_) (_+&(_(_(&+(_(_)

Answer 2

Answer:

THE NUMBER OF ELECTRONS PRESENT IN LAST SHELL OF AN ATOM HAVING ATOMIC NUMBER 15(PHOSPHOROUS) IS 3 OR 5.....

THE ELECTRONIC CONFIGURATION IS

1s2 2s2 2p6 3s2 3p3

HERE ACCORDING TO ELECTRONIC CONFIGURATION THE VALENCY IS 3

BUT IT CAN EXHIBIT 5 VALENCY DUE TO ITS PHYSICAL PROPERTIES

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