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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
- Term ‘Hexadecane’ in petroleum is commonly called as
- The number of d-electrons in Fe²⁺(Z=26) is not equal to the number of electrons
- Nitrogen is obtained by the thermal decomposition of
- In methane four C-H bonds are directed towards the corners of
- If the manufacture of bromine from sea water, the mother liquor containing bromides
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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