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Tremayne Stone

Chapter 8/10 vocabulary

TermDefinition
Solute A substance whose particles are dissolved in a solution
Solvent The substance in which the solute dissolves.
Dissociation the process in which a compound separates into ions as it dissolves
Dispersion Breaking into smaller pieces and spreading throughout water.
Ionization the process in which neutral molecules gain or lose electrons
Acid a compound that produces hydronium ions when dissolved in water.
Indicator Any substance that changes colors near
Solute A substance whose particles are dissolved in a solution
Solvent The substance in which the solute dissolves.
Dissociation the process in which a compound separates into ions as it dissolves
Dispersion Breaking into smaller pieces and spreading throughout water.
Ionization the process in which neutral molecules gain or lose electrons
Acid a compound that produces hydronium ions when dissolved in water.
Indicator Any substance that changes colors near
Solute A substance whose particles are dissolved in a solution
Solvent The substance in which the solute dissolves.
Dissociation the process in which a compound separates into ions as it dissolves
Dispersion Breaking into smaller pieces and spreading throughout water.
Ionization the process in which neutral molecules gain or lose electrons
Acid a compound that produces hydronium ions when dissolved in water.
Indicator Any substance that changes colors near an acid
Base A compound that produces hydroxide ions
Neutralization The reaction between a base and a acid
pH a measure of its hydronium ion concentration
Buffer A solution that is resistant to large pH changes
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
Radiosotope Any atom containing a unstable nucleus.
Nuclear Radiation Charged particles and energy emitted from the nuclei of radioisotopes
alpha particles A positively charged particle made up of two protons and two neutrons.
Beta particle A 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 a nucleus
Fission The splitting of an atomic nucleus into two smaller parts.
Chain Reaction a series of nuclear fissions
Critical Mass The 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 State of matter in which atoms have been stripped of their electrons.