Atomic Structure and Bonding_quiz Q12 Points The principal, angular momentum, magnetic and spin quantum numbers for an atomic system are designated as nn, ll, m_lm l ​ , and m_sm s ​ , respectively. Which of the following statements is true?
a. nn represents the shape of the electron cloud
b. m_lm l ​ represents the orientation of the electron spin an electron at n=1
c. n=1 classifies as a "free electron" ll represents the shape of an orbital