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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 molecules has trigonal planar geometry?
- If 1 litre of N₂ is mixed with 2 litre of O₂, quantity explaining it is
- Copper pyrite, the chief ore of copper, is
- If diazotisation of aniline is carried out at 30⁰ C,the main organic product
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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 molecules has trigonal planar geometry?
- If 1 litre of N₂ is mixed with 2 litre of O₂, quantity explaining it is
- Copper pyrite, the chief ore of copper, is
- If diazotisation of aniline is carried out at 30⁰ C,the main organic product
- Heavy water is
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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