Question

The quantum numbers of the less electron of an element are given below predict the atomic number and name of the element from the following quantum numbers:
`n = 3,l= 2, m = 0,s = -(1)/(2)`
A. `13,V`
B. `21,Se`
C. `29,Cu`
D. 28,Ni`

Answer 1

Structure is `3d^(2)` amtoic number = 28 The element is Ni.