mcsheria mcsheria

15-11-2020
Chemistry

contestada

2
Which group of substances contains only compounds?
A C, O2, CH4,
B H, He, F
C CO2, CaCO3 , CH4
D F, Fe, He
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Respuesta :

rohleom rohleom

15-11-2020

C because a compound is a substance made of at least two atoms bonded together

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