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![Q: 1.The lowest first ionisation energy would be associated with which of the following structures? a] 1s 2 2s 2 2p 6 3s 1 b] 1s 2 2s 2 2p 5 c] 1s 2 2s.](https://static.fdocuments.in/doc/165x107/551c0547550346a34f8b4e1b/q-1the-lowest-first-ionisation-energy-would-be-associated-with-which-of-the-following-structures-a-1s-2-2s-2-2p-6-3s-1-b-1s-2-2s-2-2p-5-c-1s-2-2s.jpg)
![1 Building Atoms - Period 3 Na Mg Al Si P S Cl Ar 1s 2 2s 2 2p 6 3s 1 [Ne]3s 1 1s 2 2s 2 2p 6 3s 2 [Ne]3s 2 1s 2 2s 2 2p 6 3s 2 3p 1 [Ne]3s 2 3p 1 1s 2.](https://static.fdocuments.in/doc/165x107/56649d445503460f94a20e8c/1-building-atoms-period-3-na-mg-al-si-p-s-cl-ar-1s-2-2s-2-2p-6-3s-1-ne3s.jpg)
