Nuclear Chemistry Puzzle Crossword

Isotopes of atoms with unstable nuclei
A form of high-energy electromagnetic radiation
The ability of radiation to pass through matter
The protons and neutrons in an atom's nucleus
The area on the graph within which all stable nuclei are found
Is a radiactive decay process that involves the emission of a positron from a nucleus
Is a particle with the same mass as an electron but opposite charge; it is represented by the symbol e+
Occurs when the nucleus of an atom draws in a surrounding electron, usually one from the lowest energy level
Is a series of nuclear reactions that begins with an unstable nucleus and results in the formation of a stable nucleus
Is the time required for one half of a radioisotope's nuclei to decay into its products
The process of determining the age of an object by measuring the amount of a certain radioisotope remaining in that object
The process, which involves striking nuclei with high velocity particles
An observed difference in mass between a nucleus and its component nucleons
The splitting of a nucleus into fragments is known as
A sample that is massive enough to sustain a chain reaction
Reactors able to produce more fuel than they use
Radiation energetic enough to ionize matter it contacts is called