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vocab 8 and 10

TermDefinition
solute Is 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 seprates into ions as it dissolves.
dispersion Breaking 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 colors in the presence of an acid or base
base is a compound that produces hydroxide ions when dissolved in water
neutralization the reaction between an acid and a base
salt the negative ions in an acid combine with the positive ions in a base tp produce an ionic compound
pH the lower the pH value the greater the H30+ ion concentration in solution is
Buffer is a solution that is resistant to large changes in pH
electrolyte is a substance that ionizes or dissociates into ions when its dissolved in water
radioactive is the process in which an unstable atomic nucleus emits charged particles and energy
radioisotopes any atom containing an unstable necleus
nuclear radiation is charged particles and energy that are emitted from the nuclei radioisotopes
alph particles is a positive charged particle made up of two protons and two neutrons
gamma ray is a penetrating ray of energy emitted by an unstable nucleus
backround radiation occurs naturally in the environment
strong nuclear force is the attraction 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 fission
critical mass is the smallest possible mass of a fissionable material that can sustain a chain reaction
fusion the process in which the nuclei of two atoms combine to form a larger nucleus
plasma is a state of matter in which atoms have stripped of their electrons
Created by: vanessa.arthur
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