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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