This printable crossword puzzle has 17 clues. Answers range from 5 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
the process in which an unstable atomic nucleus emits charged particles and energy
any atom containing an unstable nucleus
charged particles and energy that are emitted from the nuclei of radioisotope
a positively charged particle made up of 2 protons and 2 neutrons
an electron emitted by an unstable nucleus
a penetrating ray of energy emitted by an unstable nucleus
occurs naturally on the environment
the time required for 1/2 of a sample of a radioisotope to decay
the conversion of atoms of one element to atoms of another
elements with atomic number greater than 92
a subatomic particle theorized to be among the basic units of matter
the attractive force that bonds protons and neutrons together in the nucleus
the splitting of an atomic nucleus into smaller parts
neutrons released during the splitting of an initial nucleus trigger a series of nuclear fission
the smallest possible mass of a fissionable material that can sustain a chain reaction
a process in which the nuclei of 2 atoms combine to form a larger nucleus
a state of matter in which atoms have been stripped of their electron