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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: - Carbohydrates are stored in human body as the polysaccharide
- Fischer-Tropsch process is used in the manufacture of
- The molecular weight of a gas is 45. Its density at STP is
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- An increase in pressure would favour which of the following 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
- Carbohydrates are stored in human body as the polysaccharide
- Fischer-Tropsch process is used in the manufacture of
- The molecular weight of a gas is 45. Its density at STP is
- The molecular of CO₂ has angle 180°.It can be explained on the basis of
- An increase in pressure would favour which of the following 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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