![]() ![]() If you have to find it yourself, see below: X Research source Once you know an element's electron configuration, finding its number of valence electrons is quite simple (except, of course, for the transition metals.) If you're given the configuration from the get-go, you can skip to the next step. Their electron capacities are as follows:įind the electron configuration for the element you are examining. Keep in mind that each subshell has a certain electron capacity.That's 11 electrons total - sodium is element number 11, so this makes sense. So, for our example, we would say that sodium has 2 electrons in the 1s orbital plus 2 electrons in the 2s orbital plus 6 electrons in the 2p orbital plus 1 electron in the 3s orbital.The (number)(letter) chunk is the name of the electron orbital and the (raised number) is the number of electrons in that orbital - that's it! (number)(letter) (raised number)(number)(letter) (raised number). ![]()
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