Across
- 4. A chemical _____ has symbols and numbers that tell the scientist which atoms are present and exactly how many in a substance.
- 6. The substances present before a reaction takes place.
- 8. The chemical combination of a metal and a nonmetal
- 10. the reaction between an acid and a base, the chemical combination is acid + base --> salt + water
- 11. A chemical _____ is the representation of a chemical reaction in words or symbols, this shows the scientist what happens over time during a chemical change.
- 14. A substance that increases the hydroxide ions in a solution
- 15. A chemical reaction that releases energy by light or heat
- 16. A composition of two or more substances that are not chemically combined
- 17. A mixture of 2 or more substances that are the same throughout
Down
- 1. The name for the substance that is dissolved in a solution
- 2. The substances formed as a result of a chemical reaction.
- 3. the law of _____ of mass states: matter can neither be created nor destroyed in a chemical reaction.
- 5. A substance that increases the number of hydronium ions in a solution
- 7. What is known as the universal solvent?
- 9. The amount of substance (solute) dissolved in a given volume of solution (solvent)
- 11. A chemical reaction that absorbs energy, usually in the form of heat
- 12. The substance that dissolves the solute
- 13. A chemical _____ is the process by which atoms are rearranged chemically to form new substances, chemical bonds can be broken, formed, or both.