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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
(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 the presence of Lewis acid toluene reacts with chlorine to give
- At 298 K the enthalpy of formation of liquid water is -285.9 kJ/mol
- What is formed when nitrobenzene is reduced using zinc and alkali
- The fcc crystal contains how many atoms in each unit cell
- M⁺³ ion loses 3e⁻. Its oxidation number will be
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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