Across
- 4. A chemical reaction where an element replaces another element in a compound, forming a new compound and a free element.
- 5. A chemical process where two or more substances unite to form a single product.
- 6. The breakdown of a compound into simpler substances due to the application of heat.
- 7. A chemical reaction in which there is a transfer of electrons between reactants, resulting in changes in oxidation states.
Down
- 1. A chemical reaction where an electric current breaks down a compound into its constituent elements or simpler compounds.
- 2. The decomposition of a substance induced by light energy, resulting in the formation of simpler substances.
- 3. A chemical reaction where the positive ions of two compounds exchange places, forming two new compounds.