Which of these pairs of elements have the same number of valence electrons
phosphorus (p) and...
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Chemistry, 22.10.2019 03:20 live4dramaoy0yf9
Which of these pairs of elements have the same number of valence electrons
phosphorus (p) and chlorine (cl)
beryllium (be) and calcium (ca)
chlorine (cl) and helium (he)
oxygen (o) and carbon (c)
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