| ⇦ |
| ⇨ |
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: - In pressure cooker food is made faster because
- If Na is heated in presence of air, it forms
- Neutral divalent carbon species released as reaction intermediate in reaction
- The number of d-electrons in Fe²⁺(Z=26) is not equal to the number of electrons
- I₄O₉ is a/an
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
- In pressure cooker food is made faster because
- If Na is heated in presence of air, it forms
- Neutral divalent carbon species released as reaction intermediate in reaction
- The number of d-electrons in Fe²⁺(Z=26) is not equal to the number of electrons
- I₄O₉ is a/an
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
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends

Leave a Reply