Chemistry, 23.09.2019 09:30 aariyahjc9188

Which of these pairs of elements have the same number of valence electrons?
hydrogen (h) and helium (he)
sodium (na) and potassium (k)
carbon (c) and oxygen (o)
boron (b) and beryllium (be)

Answers: 2

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Which of these pairs of elements have the same number of valence electrons?
hydrogen (h) and...

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Which of these pairs of elements have the same number of valence electrons? hydrogen (h) and helium (he) sodium (na) and potassium (k) carbon (c) and oxygen (o) boron (b) and beryllium (be)

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Another question on Chemistry

Which of these pairs of elements have the same number of valence electrons?
hydrogen (h) and helium (he)
sodium (na) and potassium (k)
carbon (c) and oxygen (o)
boron (b) and beryllium (be)