9. (a) Consider the elements labelled A-G. These are not chemical symbols. A B C 1s2 2s2 2p1 1s2 2s2 2p3 1s2 2s2 2p6 D E F G 1s2 2s2 2p6 3s2 1s2 2s2 2p6 3s2 3p1 1s2 2s2 2p6 3s2 3p6 1s2 2s2 2p6 3s2 3p6 4s1 (i) Give the letter (A-G) of the element with the largest first ionisation energy. Give two reasons for your answer
9. (a) Consider the elements labelled A-G. These are not chemical symbols. A B C 1s2 2s2 2p1 1s2 2s2 2p3 1s2 2s2 2p6 D E F G 1s2 2s2 2p6 3s2 1s2 2s2 2p6 3s2 3p1 1s2 2s2 2p6 3s2 3p6 1s2 2s2 2p6 3s2 3p6 4s1 (i) Give the letter (A-G) of the element with the largest first ionisation energy. Give two reasons for your answer