2.Which sub shell is common to all?

(a)  

3.Which sub shell only comes in 4th shell?

(a)  

4.Write the subshell configuration of Neon?

(a)  

5. H1= (a)   ?

6.Na11= (a)   ?

7.N7= (a)   ?

8.Mg12= (a)   ?

9.If the distance from the nucleus increase what will be happen ?

(a)  

10.X=1s2,2s2,2p6,3s1 -Find group

(a)