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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: - Which of the following electronic configuration an atom has the lowest ionisation
- Which of the following halides is the most stable
- The number of moles of acidified KMnO₄ required to oxidise one mole
- Carbon percentage is maximum in
- Which one of the following is not an aldose
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
- Which of the following electronic configuration an atom has the lowest ionisation
- Which of the following halides is the most stable
- The number of moles of acidified KMnO₄ required to oxidise one mole
- Carbon percentage is maximum in
- Which one of the following is not an aldose
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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