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How do you find the number of valence electrons in an atom of a representative element?

How do you find the number of valence electrons in an atom of a representative element?
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How do you find the number of valence electrons in an atom of a representative element?

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User AArias
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1 Answer

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To  find the number of valence electrons in an atom of a representative element, simply look at its group number.
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User Electrophanteau
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