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Chapter 8/10 Vocab

TermDefinition
acid compound that produces hydronium ions when dissolved in water
indicator substance that changes color in the presence of an acid or a base
base compound that produces hydroxide ions when dissolved in water
neutralization chemical reaction between an acid and a base
salt ionic compound formed when an acid reacts with a base
pH measure of the hydronium ion concentration of a solution
buffer solution that is resistant to large changes in pH
electrolyte compound that produces ions when it dissolves
radioactivity process in which an unstable atomic nucleus emits charged particles and energy
radioisotope isotope with an unstable nucleus
nuclear radiation charged particles and electromagnetic waves that are emitted from the nuclei of radioisotopes
alpha particle positively charged particle, emitted by certain radioactive nuclei, made up of two protons and two neutrons
beta particle electron emitted by an unstable nucleus
gamma ray penetrating form of radiation emitted by an unstable nucleus
background radiation nuclear radiation that occurs naturally in the environment
strong nuclear force powerful attractive force that binds protons and neutrons together in the nucleus
fission nuclear reaction in which an atomic nucleus split into two smaller parts
chain reaction series of fission reactions triggered by neutrons released during the fission of a nucleus
critical mass smallest possible mass of a fissionable material that can sustain a chain reaction
fusion nuclear reaction 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
solute substance whose particles are dissolved in a solutions
solvent substance in which a solute dissolves
dissociation separation of ions in an ionic compound as the compound dissolves
dispersion process of dissolving by breaking into smaller piece, the process in which white light separates
ionization process by which neutral molecules gain or lose electrons
Created by: marinadopudj