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How can you determine the number of valence electrons in an atom of a representative element?
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How can you determine the number of valence electrons in an atom of a representative element?

User GIJOW
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To find the number of valence electrons in an atom of a representative element, all you have to do is look at its group number. Ex: Group 1 (Hydrogen, Lithium, Sodium, Potassium, ect.) All have 1 valence electron
User Lmwangi
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