Chemistry, 19.09.2019 02:50 surfergirlmymy
Which element has the same number of valence electrons as hydrogen (h)? a. helium (he). b. oxygen (o). c. nitrogen (n). d. lithium (li).
Answers: 1
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Which element has the same number of valence electrons as hydrogen (h)? a. helium (he). b. oxygen...
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