CBES Board Class 9/STRUCTURE OF ATOMS MCQS CLASS 9 MCQs :- multiple choice questions and answers. e.g CBES Board Class 9 MCQS,CBES Board Class 9 Mock Tests , CBES Board Class 9 Practice Papers ,CBES Board Class 9 Sample Test,CBES Board Class 9 Sample questions

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Question 1: If n = 3 we are in

K shell

L shell

M shell

F shell

Total MCQS Questions are 20 in this paper STRUCTURE OF ATOMS MCQS CLASS 9
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