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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: - In which following reactions aromatic aldehyde is treated with acid anhydride
- Which of the following amino acids is basic in nature
- Which of the following is obdained when acetone is treated with bleaching powder
- Which one of the following has maximum laevorotatory nature
- Neutral divalent carbon species released as reaction intermediate in reaction
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
- In which following reactions aromatic aldehyde is treated with acid anhydride
- Which of the following amino acids is basic in nature
- Which of the following is obdained when acetone is treated with bleaching powder
- Which one of the following has maximum laevorotatory nature
- Neutral divalent carbon species released as reaction intermediate in reaction
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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