2.2 Vocab Flashcards
Hydrogen Bond
Weak attraction between a hydrogen atom and another atom
Cohesion
Attraction between molecules of the same substance
Adhesion
Force of attraction between different kinds of molecules
Mixture
Material composed of two or more elements or compounds that are physically mixed together but not chemically combined
Solution
Type of mixture in which all the components are evenly distributed
Solute
Substance that is dissolved in a solution
Solvent
Dissolving substance in a solution
Suspension
Mixture of water and non-dissolved material
pH Scale
Scale with values from 0 to 14m used to measure the concentration of H+ ions in a solution; a pH of 0 to 7 is acidic, a pH of 7 is neutral, and a pH of 7 to 14 is basic
Acid
A compound that forms hydrogen ions (H+) in solution; a solution with a pH of less than 7
Base
A compound that produces hydroxide ions (OH-) in solution; a solution with a pH of more than 7
Buffer
A compound that prevents sharp, sudden changes in pH