Principal quantum number question.For a shell which has a principal quantum number equal to 3:

问题描述:

Principal quantum number question.For a shell which has a principal quantum number equal to 3:
what is the shell number,
what is the shell letter
what is the number of subshells
what is the total number of orbitals in this shell.
The maximum number of electrons in this shell is

主量子数 n=3
shell 角量子数 3
letter=M
# of subshell =6(1+2+3)
number of orbital=9
max=2n^2 (18)什么是M?K L M N O P Q 是每个电子层的代号