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Kenidee Zentiska Pd1

Ch 8&10

solute a substance whose particles are dissolved in a solution
solvent a substance in which a solute dissolves
dissociation The process in which an ionic compound separates into ions as it dissolves
dispersion breaking into smaller pieces that spread throughout the 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 color in the presence of a base or acid
base a compound that produces hydroxic
neutralization The reaction between an acid and a base
salt an ionic compound formed when acid reacts with a base
pH a measure of its hydronium ion concentration
buffer a solution that is resistant to large changes in pH
electrolyte a substance that ionizes or 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 emitted from the nuclei of radioisotopes
alpha particle a positively charged particle, emitted by certain radioactive nuclei, made up of two protons and two neutrons , a helium nucleus
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 powerful attractive force that binds protons and neutrons together in the nucleus
fission 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 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 a state of matter in which atoms have been stripped of their electrons
Created by: kenidee.zentiska