Chapter 25 Nuclear Chemistry Worksheet Answers Flashcard

nuclear reaction
a process that involves changes to the nucleus of an atom
radioactive decay
a spontaneous process by which an atom emits radiation or a particle from its nucleus to become more stable.
fusion
the joining of two nuclei to form a larger nucleus
fission
the splitting apart of an atomic nucleus into two smaller nuclei accompanied by a release of energy
alpha particle
a particle composed of two protons and two neutrons, equivalent to a helium nucleus
beta particle
beta particle
an electron emitted from the nucleus of an atom during beta decay
gamma ray
gamma ray
a high energy wave emitted during alpha decay, beta decay, and nuclear fission
isotopes
atoms of the same element that differ in mass because they have different numbers of neutrons
alpha decay
the emitting of an alpha particle
beta decay
the emitting of a beta particle

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