A. n, l, m_l, m_s
B. n, p, q, r
C. x, y, z, w
D. a, b, c, d
Answer: n, l, m_l, m_s
What are the four quantum numbers used to describe an electron in an atom?
Additional Information: The four quantum numbers are principal (n), azimuthal (l), magnetic (m_l), and spin (m_s).
Subjects: Atomic Structure, Chemistry