Answer: In the given image, we can see a molecule with the formula H-C-H. This represents a hydrocarbon molecule, where "H" represents a hydrogen atom and "C" represents a carbon atom.
To determine the number of atoms in this molecule, we count the number of each type of atom. In this case, there are 2 hydrogen atoms (H) and 1 carbon atom (C).
Therefore, a total of 3 atoms combine to form the molecule shown in the image. Two hydrogen atoms combine with one carbon atom to form the hydrocarbon molecule.
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Step-by-step explanation: