Question

Which notation designates a possible value for a principal energy level in an atom?

px

2

+1/2

s

Answer 1

@surry99 would you happen to be able to help me with this question?

Answer 2

Principal energy levels are identified by numbers starting at 1, 2, 3 etc.
So the answer is 2.

Answer 3

px identifies a particular orbital shape and orientation
+ 1/2 refers to the spin on an electron
s refers to any spherical orbital

Answer 4

thank you so very much! Especially thanks for explaining to me what each one means :)

Answer 5

no problem any time