Crossword
Across
- 2. A red-brown metal, the chemical element of atomic number 29.
- 4. Displacement Reaction A chemical reaction where two reactant ionic compounds exchange ions to form two new product compounds with the same ions.
- 7. Reaction A reaction in which soluble ions in separate solutions are mixed together to form an insoluble compound that settles out of solution as a solid.
- 9. A mixture of finely powdered aluminium and iron oxide that produces a very high temperature on combustion, used in welding and for incendiary bombs.
- 11. Displacement Reaction Type of reaction where part of one reactant is replaced by another reactant.
- 12. Reaction Two or more reactants combine to form a single product.
- 13. A substance that takes part in and undergoes change during a reaction.
Down
- 1. Equation A chemical reaction expressed in words rather than chemical formulas.
- 3. A substance that is formed as the result of a chemical reaction
- 5. Reaction The separation of a chemical compound into elements or simpler compounds
- 6. of Mass A relation stating that in a chemical reaction, the mass of the products equals the mass of the reactants.
- 8. A substance which has a molecular structure built up almost or completely from a large number of similar units bonded together
- 10. Reaction Interaction of two or more chemicals that produces one or more new chemical compounds, or alters the properties of the mixed chemicals.