Across
- 4. a reaction between any combustible substance and an oxidiser occurs to form an oxidised product
- 7. molecules that contain only two atoms bonded together to one anotehr
- 8. number that appears in front of the chemical formula in order to balance the atoms on both sides
- 9. original substances
- 10. a process by which one or more substances is changed into one more different substances
- 11. resulting substances
Down
- 1. a reaction of two or more reactants to form a product
- 2. an equal balance of the numbers of the reactants and products
- 3. describes the stoichiometry of some chemical reactions in which one element or ligand is replaced by a atom or group
- 5. a discovery that mass is not created or destroyed during a chemical reaction
- 6. a reaction in which a positive ion and a negative ions of two ionic compounds exchange places
- 7. the reaction in which a reaction of a compound breaks down into two or more simpler substances