That is false
xenon
Depends on what one means by "smaller". Since sublevels are "inside" or part of the principle energy level, then yes, they are smaller.
3s and 3p
5
the s and p sublevels
There are 2 energy sublevels in the second principal.
There are two sublevels in the 2nd principal energy level. They are the 2s and 2p sublevels.
3, three, tres
The Subterranean Complex has nine sublevels. The boss, a Man-at-Legs, is on the final sublevel, and there are Candypop Buds to create more Pikmin on sublevels four and eight.
That is false
Sublevels
In krypton atoms, the 3s and 3p sublevels are filled, i.e. 3s23p6.
The transitional metals will not follow an easy pattern. They usually do fill the d-sublevels since the are located in the d block.
filled energy sublevels
xenon
3d