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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}.
Related Questions: - The number of hydroxide ions produced by one molecule of sodium carbonate
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- A certain mass of gas occupies a volume of 300 c.c. at 27⁰C and 620 mm pressure
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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
- The number of hydroxide ions produced by one molecule of sodium carbonate
- When initial concentration of a reactant is doubled in a reaction, its half-life
- A certain mass of gas occupies a volume of 300 c.c. at 27⁰C and 620 mm pressure
- Which of the following contains amino group
- Ethyl chloride on heating with AgCN forms a compound X.The functional isomer 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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