Q. Which one will have the highest 2nd ionisation energy?
A. 1s2 2s2 2p6 3s1
B. 1s2 2s2 2p4
C. 1s2 2s2 2p6
D. 1s2 2s2 2p6 3s2
Answer: 1s2 2s2 2p6 3s1
We will be happy to hear your thoughts
A. 1s2 2s2 2p6 3s1
B. 1s2 2s2 2p4
C. 1s2 2s2 2p6
D. 1s2 2s2 2p6 3s2
Answer: 1s2 2s2 2p6 3s1
