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Which pair of atomic numbers represents s-block elements?
Options
(a) 3,12
(b) 6,12
(c) 7,15
(d) 9,17
Correct Answer:
3,12
Explanation:
Last electron goes to s-subshell.
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Question Type: Memory
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Difficulty Level: Easy
(1008)
Topics: Classification of Elements and Periodicity
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Subject: Chemistry
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The pH value of 10⁻⁸ M HCl is
- The conductivity of strong electrolyte
- If 2 g of aluminium is treated, first with excess of dilute H₂SO₄ and then
- In hydrogen spectrum, the different line of Lyman series are present in
- The angular momentum of electron in ‘d’ orbital is equal to
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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