Which of the following elements will have highest ionisation energy?
Chemistry · Class 11 · CBSE — Classification of Elements and Periodicity in Properties
Which of the following elements will have highest ionisation energy?
- 1s2 2s2 2p6 3s1
- 1s2 2s2 2p6 3s2 3p3
- 1s2 2s2 2p6 3s2 3p4
- 1s2 2s2 2p6 3s2 3p1
Answer
(B) 1 s 2 2 s 2 2 p 6 3 s 2 3 p 3
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