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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: - IUPAC name of CH₃–O–C₂H₅ is
- An orbital in which n = 4 and l = 2 is expressed by
- The first fractional product of petroleum from top to bottom is
- If concentration of reactants is increased by ‘x’,then the K becomes
- Which of the following does not contain aluminium
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
- IUPAC name of CH₃–O–C₂H₅ is
- An orbital in which n = 4 and l = 2 is expressed by
- The first fractional product of petroleum from top to bottom is
- If concentration of reactants is increased by ‘x’,then the K becomes
- Which of the following does not contain aluminium
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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