Vanillin, a compound in vanilla bean, is used for flavoring ice cream. The chemical formula for this compound is C8H8O3.

Question

What elements make up this compound? Select three options.

carbon
chlorine
helium
hydrogen
osmium
oxygen

Answer 1

The elements that make up vanillin (C8H8O3) are:

1. Carbon
2. Hydrogen
3. Oxygen

Therefore, the three options you should select are carbon, hydrogen, and oxygen.