Chemistry Class-11: Chapter – 2. Structure of Atom – Part-7 (For CBSE, ICSE, IAS, NET, NRA 2022)

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IV. Matching Type

In some of the following questions, one option of left column may be correlated to more than one option in the right column.

Question: 42

Match the following species with their corresponding ground state electronic configuration.

Ion and Atom and Configuration
Atom/IonElectronic configuration


Question = 43

Match the quantum numbers with the information provided by these.

Quantity and Property
Quantum numberInformation
(i)Principal quantum number(a)Orientation of the orbital
(ii)Azimuthal quantum number(b)Energy and size of orbital
(iii)Magnetic quantum number(c)Spin of electron
(iv)Spin quantum number(d)Shape of the orbital


Question = 44

Rules and Statements
(i)Hund՚s Rule(a)No two electrons in an atom can have the same set of four quantum numbers.
(ii)Aufbau Principle(b)Half-filled and completely filled orbitals have extra stability.
(iii)Pauli Exclusion Principle(c)Pairing of electrons in the orbitals belonging to the same subshell does not take place until each orbital is singly occupied.
(iv)Heisenberg՚s Uncertainty Principle(d)It is impossible to determine the exact position and exact momentum of a subatomic particle simultaneously.
(e)In the ground state of atoms, orbitals are filled in the order of their increasing energies.


Question: 45

Match the following

Item and Its Properties
(iii)Long radio waves(c)


Question = 46

Match the following

Quantity and Properties
(i)Photon(a)Value is 4 for N shell
(ii)Electron(b)Probability density
(iii)(c)Always positive value
(iv)Principal quantum number n(d)Exhibits both momentum and wavelength


Question = 47

Match species given in Column I with the electronic configuration given in Column II.

Column 1 and 2
Column IColumn II