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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 one of the following is not an amphoteric substance
- The hydration energy of Mg²⁺ is greater than that of
- Mass of 0.1 mole of methane is
- ‘Metals are usually not found as nitrates in their ores”. Out of the following two
- The normality of 10 volume hydrogen peroxide 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
- Which one of the following is not an amphoteric substance
- The hydration energy of Mg²⁺ is greater than that of
- Mass of 0.1 mole of methane is
- ‘Metals are usually not found as nitrates in their ores”. Out of the following two
- The normality of 10 volume hydrogen peroxide 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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