A molecule of ethanol has two carbon atoms, six hydrogen atoms, and one oxygen atom. A ball-and-stick model of a molecule of ethanol is made from the following components:

one red ball
two black balls
six white balls
eight sticks

What do the black balls in the model represent?

(1 point)
Responses

carbon atoms
carbon atoms

oxygen atoms
oxygen atoms

hydrogen atoms
hydrogen atoms

bonds between atoms

The black balls in the model represent carbon atoms