Which set of quantum numbers $(n, l, m_l, m_s)$ is **NOT** allowed?
A$(3, 2, -2, -1/2)$
B$(4, 0, 0, +1/2)$
C$(2, 1, 0, +1/2)$
D$(1, 1, 0, +1/2)$
Answer & Solution
Correct answer: D. $(1, 1, 0, +1/2)$
For $n=1$, $l$ can only be $0$, not $1$. So $(1, 1, 0, +1/2)$ violates $l \le n-1$.
Related questions
Calcium-40 (Z=20, A=40) and Argon-40 (Z=18, A=40) are best described as:Atoms of the SAME element with DIFFERENT mass numbers are called:An atom of chlorine has atomic number Z = 17 and mass number A = 37. The number of neutronThe atomic number (Z) of an element is equal to the:The neutron was discovered by:Bohr's model of the atom fixed Rutherford's instability problem by proposing that electronRutherford's gold foil experiment concluded that most of the atom is:The Rydberg constant for hydrogen, in SI units, is