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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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- The solubility of saturated solution of calcium fluoride is 2 ˣ 10⁻⁴ moles
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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
- The boiling point of water decreases at higher altitudes because
- The solubility of saturated solution of calcium fluoride is 2 ˣ 10⁻⁴ moles
- A ideal gas will have maximum density when
- Acetaldehyde can not show
- Treatment of acetaldehyde with ethyl magnesium bromide and subsequent hydrolysi
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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