Question

Which of the following quantum number combinations is not allowed in a ground-state atom?

(2, 1, 1, -½)

(8, 7, -7, +½)

(5, 5, -5, +½)

(1, 0, 0, +½)

Answer 1

@sarah786

Answer 2

I guess its C .. But Cann't figure out how .... Wait till I explain this to u :)

Answer 3

ok @sarah786

Answer 4

Its accordding to the FOrmat first n , then l , then mL , mS .. Just C is accordding to this ..Noo one ales :)