Unit 5

4. a scale for comparing the relative amounts of hydroxide and hydronium ions in a solution
5. the substances on the right side of the chemical equation that are formed in a chemical reaction
9. a solution in which the number of hydronium ions exceed the number of hydroxide ions
10. a solution in which the number of hydroxide ions exceed the number of hydronium ions
11. process in which 1 or more substances change to produce 1 or more different substances
13. attractive force that holds molecules of a single substance together
14. chemical substances that reduce the amount of activation energy needed
16. substance in which the solute is dissolved

1. structures that carry out specialized jobs within an organ system
2. simplest particle of an element that retains all of the properties of that element
3. attractive forces that hold atoms together
5. an uneven distribution of charge
6. attraction between molecules resulting in the rise of surface of a liquid when in contact with a solid
7. attractive force between particles of different substances
8. tiny structures within the cell that carry out functions necessary for cell viability
11. attractive force formed when atoms share one or more pairs of electrons
12. the substances on the left side of the chemical equation that begin a chemical reaction
15. substance in which the solute is dissolved
16. substance dissolved in the solvent
17. groups of cells with similar abilities that allow the organ to function