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In a given atom no two electrons can have the same values for all the four quantum numbers.This is called
Options
(a) Hund’s Rule
(b) Aufbau principle
(c) Uncertainty principle
(d) Pauli’s Exclusion principle
Correct Answer:
Pauli’s Exclusion principle
Explanation:
No two electrons in an atom can have same values of all the four quantum numbers: e.g = 1s²
For Ist electron n = 1 , l = 0 , m = 0 , s = + 1 /2
For II nd electron n = 1 , l = 0 , m = 0 , s = – 1 /2.
Related Questions: - When phenol reacts with phthalic anhydride in presence of H₂SO₄ and heated
- Polyamide
- which of the following non-metal possesses the atomicity double than that
- PV/T= Constant. A real gas will behave as ideal gas
- Action of water or dilute mineral acids on metals can give
Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Structure of Atom
(90)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When phenol reacts with phthalic anhydride in presence of H₂SO₄ and heated
- Polyamide
- which of the following non-metal possesses the atomicity double than that
- PV/T= Constant. A real gas will behave as ideal gas
- Action of water or dilute mineral acids on metals can give
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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