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An ion has 18 electrons in the outermost shell, it is
Options
(a) Cu⁺
(b) Th⁴⁺
(c) Cs⁺
(d) K⁺
Correct Answer:
Cu⁺
Explanation:
Cu⁺ = 29 -1 electrons
Electronic configuration – 1s² 2s² 2p⁶ {3s² 3p⁶ 3d¹⁰}.
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Structure of Atom
(90)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- How enzymes increases the rate of reaction
- Number of orbitals present in 3rd shell is
- Standard entropies of X₂, Y₂ and XY₃ are 60, 40 and 50 J K⁻¹ mol⁻¹ respectively.
- Ethyl chloride on heating with AgCN forms a compound X.The functional isomer of
- Sea weeds are an important source of
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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