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The order of filling of electrons inthe orbitals of an atom will be
Options
(a) 3d, 4s, 4p, 4d, 5s
(b) 4s, 3d, 4p, 5s, 4d
(c) 5s, 4p, 3d, 4d, 5s
(d) 3d, 4p, 4s, 4d, 5s
Correct Answer:
4s, 3d, 4p, 5s, 4d
Explanation:
The sub-shell with lowest value of (n + l) is filled up first. When two or more sub-shells have same (n + l) value the subshell with lowest value of ‘n’ is filled up first therefore the correct order is orbital 4s3d4p5s4d
Related Questions: - Which of these have no unit?
- Which contains both polar and non-polar covalent bonds?
- The polymer used in orthopaedic devices and in controlled drug release is
- In a buffer solution containing equal concentration of B⁻ and HB,
- If 1 litre of N₂ is mixed with 2 litre of O₂, quantity explaining it 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 of these have no unit?
- Which contains both polar and non-polar covalent bonds?
- The polymer used in orthopaedic devices and in controlled drug release is
- In a buffer solution containing equal concentration of B⁻ and HB,
- If 1 litre of N₂ is mixed with 2 litre of O₂, quantity explaining it 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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