Chemistry, 04.02.2020 13:53 war86

Which of these pairs of elements have the same number of valence electrons?
a) oxygen (o) and bromine (br)
b) selenium (se) and bromine (br)
c) carbon (c) and lead (pb)
d) oxygen (o) and carbon (c)
e) sodium (na) and magnesium (mg)

Answers: 3

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Which of these pairs of elements have the same number of valence electrons?
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Which of these pairs of elements have the same number of valence electrons? a) oxygen (o) and bromine (br) b) selenium (se) and bromine (br) c) carbon (c) and lead (pb) d) oxygen (o) and carbon (c) e) sodium (na) and magnesium (mg)

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Questions in other subjects:

Which of these pairs of elements have the same number of valence electrons?
a) oxygen (o) and bromine (br)
b) selenium (se) and bromine (br)
c) carbon (c) and lead (pb)
d) oxygen (o) and carbon (c)
e) sodium (na) and magnesium (mg)