hayleykreiger1 hayleykreiger1

23-11-2017
Advanced Placement (AP)

contestada

Which of the following is composed of ions?
a.)CO2
b.)C
c.)Zn
d.)Fe2O3

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THUG4L1F3 THUG4L1F3

23-11-2017

The answer is d.) Fe302. CO2 is a compound (One carbon atom, two oxygen atoms), letters b. and c. are elements (Carbon and zinc, respectively).

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