Subatomic Physics Worksheet

an atom that has the same number of protons as other atoms of the same element do but that has a different number of neutrons
the interaction that binds nucleons together in a nucleus
the energy released when unbound nucleons come together to form a stable
the time needed for half of the original nuclei of a sample of a radioactive substance to undergo radioactive decay
associated with its mass, a particle has a certain amount of energy called
must be overcome by an attraction force to prevent the nucleus from breaking apart
high-energy photons
transforms neutrons and protons in the nucleus
any process that involves a change in the nucleus of an atom
system designed to maintain a controlled, self-sustained chain reaction.
have no internal structure and do not seem to break down into smaller units
all are composed of two or three fundamental particles, which are called quarks