States Of Matter Crossword

isotope of atoms with unstable nuclei
a form of high energy electromagnetic radiation
radiation energetic enough to ionize matter with which it collides
a sample that is massive enough to sustain a chain reaction
the process which involves striking nuclei with high velocity particles
radioactive decay proccess that involves the emission of a positron from a nucleus
the difference in mass between a nucleus and its component nucleons
reactors able to produce more fuel than they use
a particle with the same mass as an electron but positive charge
the area on the graph with in all stable nuclei
the time required for one half of a radioisotope to decay into its products
protons and neutrons
a reaction in which an atoms atomic number is altered
acts on subatomic particles that are extemely close together and overcomes the electrostatic repulsion among protons
a series of nuclear reactions that begins with an unstable nucleus and results in the formation of a stable nucleus
the combining of atomic nuclei
the splitting of a nucleus into fragments
process of determining the age of an object by measuring the amount of a certain radioisotope remaining in that object
occurs when the nucleus of an atom draws in a surrounding electrons and combines with a proton to form a neutron
the ability of radiation to pass through matter