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An atom has electronic configuration 1s²2s²2p⁶3s²3p⁶3d³4s², you will place it in which group?
Options
(a) Fifth
(b) Fifteenth
(c) Second
(d) Third
Correct Answer:
Fifth
Explanation:
The electronic configuration clearly suggest that it is a d-block element (having configuration (n – 1) d¹⁻¹°ns°⁻²) which starts from III B and goes till II B. Hence with d³ configuration it would be classified in the group
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Classification of Elements and Periodicity
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Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Photochemical smog is due to the presence of
- The coordination number and oxidation state number of Cr in K₃ Cr (C₂O₄)₃
- First law of thermodynamics is represented by the equation
- The basic character of the transition metal monoxides follows the order.
- The compound that does not produce blue colour in Lassaigne’s test is
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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