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OpenStudy (anonymous):
Which of these chemical formulasNaCl, O2, He, or SO2represents both an element and a molecule? (Points : 5) NaCl O2 He SO2
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OpenStudy (anonymous):
NaCl is salt!(Molecules) O2 is pure oxygen (Element) He is Helium gas (Element) SO2 is acid solforic (Molecules)
OpenStudy (anonymous):
Yes, and a molecule is two or more atoms combined.
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