Answer to Question #25494 in Inorganic Chemistry for Dottie Kee
So, as we see, Na has 3 orbitals: the first orbital has 2 electrons, the seconds orbital has 8 electrons, and the last orbital has 1 electron. This could be told also from the number of period where Na is. Na is in 3 period, so it has 3 orbitals.
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