Question
Review the electron configurations of the elements in period 3, from sodium (Na) to argon (Ar). What do you observe?
Select the correct answer.
The electron configuration for chlorine does not follow the pattern of the other elements in period 3.
After the 3s sublevel is filled with two electrons, each additional electron goes into the 3p sublevel.
O After the 3p sublevel is filled with six electrons, each additional electron goes into the 3s sublevel.
The electron configuration of magnesium does not follow the pattern of the other elements in period 3.
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Review the electron configurations of the elements in period 3, from sodium (Na) to argon...
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