Question

Match the following:

Rules	Statements
A) Hund's rule of maximum multiplicity	P) No two electrons in an atom can have the same set of quantum numbers
B) Aufbau principle	Q) Half-filled and completely filled orbitals have extra stability
C) Pauli's exclusion principle	R) Pairing of electrons in the orbitals belonging to the same subshell does not take place until each orbital is singly occupied
D) Hiesenberg's Uncertainity Principle	S) It is impossible to determine the exact position and exact momentum of a subatomic particle simultaneously
	T) In the ground state of atoms, orbitals are filled in the order of their increasing energies

• A. $A)-R),B)-T),C)-P),D)-S)$
• B. $A)-S),B)-T),C)-Q),D)-R)$
• C. $A)-R),B)-T),C)-S),D)-P)$
• D. $A)-S),B)-P),C)-T),D)-Q)$

Answer 1

The correct option is A $A)-R),B)-T),C)-P),D)-S)$

Hund's rule states that pairing of electrons in the orbitals belonging to the same subshell does not take place until each orbital is singly occupied.

Aufbau's Principle states that orbitals are filled in the order of increasing energy which is determined by the value of $n+l$.

Pauli's exclusion principle states that no two electrons in an atom can have the same set of quantum numbers.

Hiesenberg's Uncertainity Principle states it is impossible to determine the exact position and exact momentum simeltaneously for a sub-atomic particle.