the process in which energy is emitted as particles or waves
What is Radiation ?
100
a quantum of electromagnetic radiation, usually considered as an elementary particle that is its own antiparticle and that has zero rest mass and charge and a spin of one
What is a Photon ?
200
the second of any series
What is Beta?
200
the third in a series of items
What is Gamma ?
200
the smallest component of an element having the chemical properties of the element
What is Atom ?
300
the time required for one half the atoms of a given amount of a radioactive substance to disintegrate.
What is Half-Life ?
400
one of two or more isomeric compounds.
What is Alpha ?
400
the splitting of the nucleus of an atom into nuclei of lighter atoms, accompanied by the release of energy
What is Fission ?
500
a thermonuclear reaction in which nuclei of light atoms join to form nuclei of heavier atoms, as the combination of deuterium atoms to form helium atoms
What is Fusion ?
500
a disturbance on the surface of a liquid body, as the sea or a lake, in the form of a moving ridge or swell