atom atom Z A nº of nº of n nº of charge anion, electron p+ e- cation configuration or neutral atom 13 27 13 14 10 +3 cation 1s2 2s2 2p6 22 48 22 26 22 0 neutral 1s2 2s2 2p6 atom 3s2 3p6 4s2 3d2 7 14 7 7 10 -3 anion 1s2 2s2 2p6 4 9 4 5 2 +2 cation 1s2
atom atom Z A nº of p+ nº of n nº of e- charge anion, cation or neutral atom electron configuration 13 27 13 14 10 +3 cation 1s2 2s2 2p6 22 48 22 26 22 0 neutral atom 1s2 2s2 2p6 3s2 3p6 4s2 3d2 7 14 7 7 10 -3 anion 1s2 2s2 2p6 4 9 4 5 2 +2 cation 1s2
exam-of-the-atom.docx