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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.
Related Questions: - In alkaline hydrolysis of a tertiary alkyl halides by aqueous alkali,
- Bohr’s theory was modified to give the concept of elliptical orbits by
- Li occupies higher position in the electrochemical series of metals as compared
- In the reaction : I₂ + I⁻ → I₃⁻, the Lewis base is
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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
- In alkaline hydrolysis of a tertiary alkyl halides by aqueous alkali,
- Bohr’s theory was modified to give the concept of elliptical orbits by
- Li occupies higher position in the electrochemical series of metals as compared
- In the reaction : I₂ + I⁻ → I₃⁻, the Lewis base is
- The preparation of ethene from ethanol can be described as
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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