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Danielle Easterday

Ch 8 and Ch 10 Vocab.

TermDefinition
Solute Is a substance whose particles are dissolved in a solution.
Solvent Is the substance in which a solute dissolves in.
Dissociation The process in which an ionic compound separates into ions as it dissolves.
Dispersion The breaking of objects into small pieces that spread throughout the water.
Ionization The process in which neutral molecules gain or lose electrons.
Acid Is a compound that produces hydronium ions when dissolved in water.
Indicator Is any substance that changes color in the presence of an acid or base.
Base Is a compound that produces hydroxide ions when dissolved in water.
Neurtralization The reaction between an acid and a base.
Salt During neutralization, the negative ions in an acid combine with the positive ions in a base to produce an ionic compound.
pH Is a measure of its hydronium ion concentration.
Buffer Is a solution that is resistant to large changes in pH.
Electrolyte Is a substance that ionizes or dissociates into ions when it dissolves in water.
Radioactivity Is the process in which an unstable atomic nucleus emits charged particles and energy.
Radioisopte Is any atom containing an unstable nucleus.
Nuclear Radiation Is charged particles and energy that are emitted from the nuclei of radioisotopes.
Alpha Particle Is a positively charged particle made up of two protons and two neutrons-the same as a helium nucleus.
Beta Particle Is an electron emitted by an unstable nucleus.
Gamma Ray Is a penetrating ray of energy emitted by an unstable nucleus.
Background Radiation Nuclear radiation that occurs naturally in the environment.
Strong Nuclear Force Is the attractive force that binds protons and neutrons together in the nucleus.
Fission Is the splitting of an atomic nucleus into two smaller parts.
Chain Reaction Neutrons released during the splitting of an initial nucleus trigger a series of nuclear fissions.
Critical Mass Is the smallest possible mass of a fissionable material that can sustain a chain reaction
Fusion Is a process in which the nuclei of two atoms combine to form a larger nucleus.
Plasma Is a state in which atoms have been stripped of their electrons.
Created by: soccerdani15