Pauli Exclusion Principle -Multiple Choice Questions Quiz

Interactive MCQs on “Pauli Exclusion Principle”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What does the Pauli Exclusion Principle state?

(a) Two electrons in the same atom can have the same set of quantum numbers.
(b) Two electrons in the same atom must have opposite spins.
(c) No two electrons in the same atom can have the same set of quantum numbers.
(d) Electrons in the same atom must occupy different energy levels.

Question 2: Who formulated the Pauli Exclusion Principle?

(a) Niels Bohr
(b) Max Planck
(c) Wolfgang Pauli
(d) Albert Einstein

Question 3: Which quantum number is not affected by the Pauli Exclusion Principle?

(a) Principal quantum number (n)
(b) Azimuthal quantum number (l)
(c) Magnetic quantum number (m)
(d) Spin quantum number (s)

Question 4: What is the maximum number of electrons that can occupy an atomic orbital?

(a) 1
(b) 2
(c) 4
(d) 8

Question 5: How does the Pauli Exclusion Principle affect the electron configuration of an atom?

(a) It determines the number of energy levels in the atom.
(b) It determines the number of sublevels in the atom.
(c) It determines the arrangement of electrons in energy levels and sublevels.
(d) It determines the total number of electrons in the atom.

Question 6: Which of the following electron configurations violates the Pauli Exclusion Principle?

(a) 1s²
(b) 2s² 2p⁶
(c) 3s² 3p⁶ 3d¹⁰ 3f²
(d) 4s² 4p⁶ 4d¹⁰ 4f¹⁴

Question 7: What is the significance of the Pauli Exclusion Principle in the formation of the periodic table?

(a) It determines the number of elements in each period.
(b) It determines the number of elements in each group.
(c) It explains the order in which elements are arranged in the periodic table.
(d) It determines the number of valence electrons in each element.

Question 8: What is the spin quantum number (s) of an electron that is spin-up (↑)?

(a) +1/2
(b) -1/2
(c) 0
(d) +1

Question 9: Which of the following particles is not subject to the Pauli Exclusion Principle?

(a) Electrons
(b) Protons
(c) Neutrons
(d) Quarks

Question 10: The Pauli Exclusion Principle plays a crucial role in determining the properties of which states of matter?

(a) Solids
(b) Liquids
(c) Gases
(d) All states of matter