Radioactivity Flashcards
1
Q
Radioactivity
A
Spontaneous breaking up of unstable nuclei with emission of one or more types of radiation
2
Q
Nuclear reaction
A
Process that alters the composition, structure or energy of an atomic nucleus
3
Q
The half-life
A
Time taken for half of the nuclei in any given sample to decay
4
Q
Radioisotope
A
Radioactive isotope
5
Q
Radiocarbon dating
A
Technique used to determine the age of an object containing carbon. It is based on the ratio of carbon-14 to carbon-12 in the object