Which of the following statements about quantum numbers is true?
A.
A maximum of 12 electrons can be held inside p orbitals.
C.
The principle number (n) refers to the direction an electron is spinning.
B.
A maximum of 4 electrons can be held inside s orbitals.
D.
The principle number (n)
refers to the energy level an electron is occupying.

The answer is D. Your welcome.

Explanation:

This is Johnathan Nash (aka John) btw, I didn't know you were struggling through this question for Butterfield, Taylor. You want more of the answers from me. I made 17/20 on the final.

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.