Question

question 2 of 10
which chemical formula represents the compound shown?
cao
co₂
ch₄
caco₃

Explanation:

Step1: Identify atoms by color

Typically in chemical - structure models, different colors represent different atoms. Assume green is calcium (Ca), red is oxygen (O), and blue is carbon (C).

Step2: Count the number of each atom

There is 1 calcium atom, 1 carbon atom, and 3 oxygen atoms.

Answer:

CaCO₃