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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 (abb0t):
NaCl is not an element, and neither is SO\(_2\). So youre left with O\(_2\) and He.... and by definition, a molecule is: \(\sf \color{Red}{a ~group ~of ~atoms ~bonded ~together}\)
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