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Which of the following atoms has the highest first ionisation
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Which of the following atoms has the highest first ionisation energy?

A

B

C
Sc

D
Rb

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Updated on: Sep 7, 2023

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Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

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Exam:

JEE Mains 2016

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Order of first ionisation energy is . Due to poor shielding effect, removal of one electron from orbital is difficult as compared to 3s-orbital.
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Question Text
Which of the following atoms has the highest first ionisation energy?
Updated OnSep 7, 2023
TopicClassification of Elements and Periodicity in Properties
SubjectChemistry
ClassClass 11
Answer TypeText solution:1 Video solution: 11
Upvotes1334
Avg. Video Duration4 min