| ⇦ | 
| ⇨ |
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
- A solution with pH = 2 is more acidic then one with a pH = 6 , by a factor
- The oxidation state of S in H₂SO₄ is
- For the reaction one of the mole of zinc dust with one mole of sulphuric acid
- A gas decolourised by KMnO₄ solution but gives no precipitate with ammoniacal cuprous
- Which of the following statement is correct
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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