For Main Group Elements, the number of valence electrons is based on the group number of that element.
Identify valence electrons by looking at the group number in the periodic table:
Determine the number of valence electrons in each of the following neutral atoms.
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Lewis Dot Structure concept. You can view video lessons to learn Lewis Dot Structure. Or if you need more Lewis Dot Structure practice, you can also practice Lewis Dot Structure practice problems.