The rare element selenium has the following arrangement of electrons: 2 in the first shell, 8 in
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The rare element selenium has the following arrangement of electrons: 2 in the first shell, 8 in the second, 18 in the third, and 6 in the fourth. Would you expect selenium to be a metal or a nonmetal?
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According to the arrangement of electrons the element selenium has six electrons in its outer ...View the full answer
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Zeeshan Ahmad
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