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Physics, 03.02.2020 05:44 hanjonez

Which element has 7 valence electrons ? a. nitogen(n) b. neon(ne) c. lithium(li) d. chlorine(ci)

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Which element has 7 valence electrons ? a. nitogen(n) b. neon(ne) c. lithium(li) d. chlorine(ci)...
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