Radioactivity

Question 1

Radioactivity

Answer 1

Spontaneous breaking up of unstable nuclei with emission of one or more types of radiation

Question 2

Nuclear reaction

Answer 2

Process that alters the composition, structure or energy of an atomic nucleus

Question 3

The half-life

Answer 3

Time taken for half of the nuclei in any given sample to decay

Question 4

Radioisotope

Answer 4

Radioactive isotope

Question 5

Radiocarbon dating

Answer 5

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