meleahw10
meleahw10
05-11-2017
Chemistry
contestada
Why h2o and co2 not on the periodic table
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ccarstater22
ccarstater22
05-11-2017
they are combinations of two or more elements. h₂o is water 2 hydrogen atoms and one oxygen atom. co₂ is carbon dioxide carbon one carbon atom and two oxygen atoms.
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