QUICK!! UNIT TEST...YALL KNOW THIS!<3 There are several different models that represent compounds. One type of model is shown.

The table chart is shown below a screenshot labeled "The Chart of C and H". Unless it just named itself 'Screenshot". But yall know what i mean!

What type of model is shown?

A. a structural formula

B. a chemical formula

C. a space-filling model

D. a ball-and-stick model