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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
Related Questions: - Which is purified by steam distillation
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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
- Which is purified by steam distillation
- Among the following compounds the one that is most reactive towards electrophilic
- A mixture of gases contains H₂ and O₂ gases in the ratio of 1:4(w/w).
- The increasing order of atomic radius for the elements Na, Rb, K and Mg is
- How many grams of dibasic acid (mol.wt.200) should be present in 100 mL.
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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