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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: - By passing air over red hot coke the gas obtained is
- Among the following pairs of ions, the lower oxidation state in aqueous solution
- When 2-bromobutane reacts with alcoholic KOH, the reaction is called
- The boiling point of heavy water is
- Which of the following carbonates is the most stable?
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
- By passing air over red hot coke the gas obtained is
- Among the following pairs of ions, the lower oxidation state in aqueous solution
- When 2-bromobutane reacts with alcoholic KOH, the reaction is called
- The boiling point of heavy water is
- Which of the following carbonates is the most stable?
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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