MCQ
Beryllium’s fourth electron will have the four quantum numbers :
- A$n=1,l=0,m=0,s=+1/2$
- B$n=1,l=1,m=1,s=+1/2$
- ✓$n=2,l=0,m=0,s=-1/2$
- D$n=2,l=1,m=0,s=+1/2$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(A)$ $n=3,1=0, m=0$
$(B)$ $n=4,1=0, m=0$
$(C)$ $n =3,1=1, m =0$
$(D)$ $n=3,1=2, m=1$