100 brainliest if

a molecule of carbon dioxide is made up of 1 atom of carbon and 2 atoms of oxygen. which of the following represents 2 carbon dioxide molecules?

a. co2

b. c2o4

c. 2co2

d. co22

A molecule of carbon dioxide is made up of 1 atom of carbon and 2 atoms of oxygen. So it is represented by CO2.

For 2 carbon dioxide molecules, they are represented by 2CO2. So the answer is C.

the atomic mass is the bottom number on the element.

-steel jelly

it would be b. 6co2 + 6h2o --> c6h12o6 + 6o2