| A | B |
| molecular substance | a substance that has atoms held together by covalent bonds rather than ionic bonds |
| distillation | the method of separating substances in a mixture by evaporation of a liquid and subsequent condensation of its vapor |
| molecular element | a molecule that forms when atoms of the same element bond together |
| allotropes | molecules of a single element that differ in crystalline or molecular structure |
| organic compounds | compounds that contain carbon |
| inorganic compounds | compounds that do not contain carbon |
| hydrocarbon | an organic compound that contains only the elements hydrogen and carbon |
| eight | the number of vocab words you have to include in order to create a puzzle |