Radioactivity Crossword

The process in which an unstable atomic nucleus emits charged particles & energy
Any atom containing an unstable nucleus
A variation of an element with the same number of protons but a different number of neutrons
The charged particles and energy that are emitted (given off) from the nuclei of radioisotopes
Atoms of one element can change into atoms of a different element
A positively charged particle made up of two protons & two neutrons
An electron emitted by an unstable nucleus
A penetrating ray of energy emitted by an unstable nucleus
Nuclear radiation that occurs naturally in the environment
The time required for one half of a sample of radioactive sample of a radioisotope to decay
The conversion of atoms of one element to atoms of another
The splitting of an atomic nucleus into two smaller parts
A process in which the nuclei of two atoms combine to form a larger nucleus
A chain of fission reactions triggered by neutrons released during the initial fission of a nucleus
The fourth state of matter
Contains protons and neutrons in an atom