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Hristina Bundalo

Chapter 8.1 8.3 8.4 & 10.1 10.4 Vocabulary

Solute substance whose particles are dissolved in a solution
solvent substance in which the solute dissolves
dissociation process in which an ionic compound separates into ions as it dissolves
dispersion breaking into small pieces that spread throughout the water
ionization process in which neutral molecules gain or lose electrons
acid compound that produces hydronium ions when dissolved in water
indicator any substance that changes color in the presence of an acid or base
base compound that produces hydroxide ions when dissolved in water
neutralization the reaction between and acid and a base
salt during neutralization, the negative ions in acids combine with the positive ions in a base
pH of a solution it is the measure of its hydronium ion concentration
buffer solution that is resistant to large changes in pH
electrolyte substance that ionizes or dissociates into ions when it dissolves in water
radioactivity 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 positively charged particle made up of two protons and two neutrons the same as 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 inthe environment
strong nuclear force the attractive force that binds protons and neutrons together in the nucleus
fission the splitting of an atomic nucleus into smaller parts
chain reaction neutrons released during the splitting of an initial nucleus trigger a series of nuclear fusions
critical mass smallest possible mass of a fissionable material that can sustain a chain reaction
fusion 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
Created by: hristina.bundalo