List of top Chemistry Questions on Quantum Mechanical Model of Atom asked in MET

Which of the following set of quantum numbers is not applicable for an electron in an atom?

Which of the following is not possible ?

The order of increasing energies of the orbitals follows:

Which of the following sets of quantum numbers could represent the last electron added to complete the electron configuration for a ground state atom of Br (Z = 35) according to the Aufbau principle, $n ; l ; m_l ; m_s$

An atomic orbital has two angular nodes and one radial node. It is a

(A) + tap water \(\rightarrow\) white turbidity soluble in aq NH\(_3\)
(A) \(\xrightarrow{\Delta}\) residue (B) + NO\(_2\) + O\(_2\)
Aqueous (A) gives brown ring on adding FeSO\(_4\) and conc. H\(_2\)SO\(_4\). Identify (A).

What are the four quantum numbers of 19th electron in Sc (\(Z = 21\))?

Which of the following sets of quantum numbers is not permitted?

Orbital is:

In a homonuclear molecule which of the following set of orbitals is degenerate?