300 sir
There is only one 2s orbital in an atom.
What is the difference between the place value of the 2s in 8 234 260
You can tell the difference between a 2s sub-shell and 2p sub-shell from their energy levels, because a 2p sub-shell is a higher energy level than a 2s sub-shell.
25 of them
310.
2000
Seven of them.
unknown
1
36
26