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Classify each of the following as an atom, a compound, or a molecule: the smallest possible “piece” of gold (Au) the smallest possible “piece” of quartz (SiO2) water (H2O) what a molecule of CO2 is made
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Classify each of the following as an atom, a compound, or a molecule:

the smallest possible “piece” of gold (Au)
the smallest possible “piece” of quartz (SiO2)
water (H2O)
what a molecule of CO2 is made of
hydrogen gas (H2)

User Nikhil Ghuse
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Gold is an atom, quartz is a compound, water is a molecule, CO2 is a molecule, H2 is a molecule.
User Kishma
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