CH304K Chapter 2 Notes Part 2a

G c has 6 electrons its electron configuration is 1s2

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Unformatted text preview: erscripts to show the occupancy: e.g. C has 6 electrons: It's electron configuration is 1s2 2s2 2p2 As we get to bigger atoms this gets unwieldy so we use a NOBLE GAS shorthand: e.g Cl is 1s2 2s2 2p6 3s2 3p5 OR just [Ne] 3s2 3p5 ADD the superscripts to check! Once this is done we find: Any set of elements in the same group have their highest energy electron in the same kind of orbital. This explains the shape of the Periodic Table... For example, all p block elements have their last electron(s) in a p-porbital of some kind, and all elements in group V have three elect...
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