Across
- 7. molecles that have an unequal distribution of charges and have oppositely charged regions
- 9. reaction that releases energy in the form of heat
- 10. substance that is dissolved in the solvent (in a solution)
- 11. process by which atoms or groups of atoms are changed into different substances
- 14. the minimum amount of energy needed for reactants to form products in a chemical reaction
- 18. weak bonding or interaction involving a hydrogen atom
Down
- 1. mixtures that can react with acids or bases to keep the pH within a particular range
- 2. substance that lowers the activation energy needed to start a chemical reaction
- 3. combination of two or more substances in which each substance retains its individual characteristics
- 4. reaction that absorbs heat energy
- 5. substances that release hydroxide ions (OH-) when dissolved in water
- 6. biological catalysts that speed up the rate of chemical reactions in biological processes
- 8. substance formed by a chemical reaction; located on the right side of the arrow in a chemical equation
- 12. substance that exists before a chemical reaction starts; located on the left side of the arrow in a chemical equation
- 13. substance in which another substance is dissolved (in a solution)
- 15. substances that release Hydrogen ions (H+) when dissolved in water
- 16. measure of concentration of H+ in a solution
- 17. mixture where all of the components are evenly distributed throughout