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9 votes
How does knowing the number of valence electrons in one of the alien elements help to identify it? Explain how a periodic table is used to accomplish this task.

asked
User Aurelie
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1 Answer

9 votes
To know the valance electrons in of the alien element we should watch the outermost electron of the element.. the outermost electron will be the valance electron
answered
User Rtenha
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8.0k points
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