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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
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Difficulty Level: Easy
(1008)
Topics: Classification of Elements and Periodicity
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Subject: Chemistry
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A hydrocarbon contains 20% hydrogen and 80% carbon.The empirical formula is
- What is kinetic energy of 1 g of O₂ at 47⁰C
- Which one of the following statements is not correct for ortho and para hydrogen?
- If the gas at constant temperature and pressure expands, then its
- Osmotic pressure can be increased by
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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