Which of the following is an example of an element?
A.
H2O (water)
B.
fire
C.
CO2 (carbon dioxide)
D.
C6H12O6 (glucose sugar)
E.
O2 (oxygen)
A.
H2O (water)
B.
fire
C.
CO2 (carbon dioxide)
D.
C6H12O6 (glucose sugar)
E.
O2 (oxygen)
Roger the Mole
O2 (oxygen)
cmac'm: The question did not ask about atoms vs molecules. Oxygen is an element, period.