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Chapter 8,10 Vocab

Solute A substance whose particles are dissolved in a solution.
Solvent The substance in which the solute dissolves.
Dissociation The process in which an ionic compound separates into ions as it dissolves.
Dispersion Breaking into small pieces that spread throughout water.
Ionization The process in which neutral molecules gain or lose electrons.
Solubility The maximum amount of a solute that dissolves in a given amount of solvent at a constant temperature
Saturated solutions One that contains as much solute as
Acid A compound that produces hydronium ions when dissolved in water
Base A compound that produces hydroxide ions when dissolved in water
Neutralization The reaction between an acid and base
Indicator Any substance that changes color in the presence of an acid or base
Salt The negative ions in an acid combine with the positive ions in a base to produce an ionic compound
pH The measure of a solution's hydronium ion concentration
Buffer A solution that is resistant to large changes in pH
Electrolyte A substance that ionizes or dissociates into ions when it dissolves in water.
Radioactivity The process in which an unstable atomic nucleus emits charged particles and energy.
Radioisotope Any atom containing an unstable nucleus.
Nuclear Radiation Charged particles and energy that are emit from nuclei of radioisotopes.
Alpha Particle A positively charged particle made up of two protons and. two neutrons.
Beta Particle An electron emitted by an unstable nucleus
Gamma Ray A penetrating ray of energy emitted by an unstable nucleus.
Background Radiation Nuclear radiation that occurs naturally in the environment.
Strong Nuclear Force The attractive force that binds protons and neutrons together in the nucleus.
Chain Reaction Neutrons released during the splitting of an initial nucleus trigger a series of nuclear fissions.
Critical Mass Smallest possible mass of a fissionable material that can sustain a chain reaction.
Fusion A process in which the nuclei of two atoms combine to form a larger nucleus.
Plasma A state of matter in which atoms have been stripped of their electrons.
Created by: Quinton.carter