Nuclear & Radiochemistry
13 terms
Radiation Dose
A measure of the energy deposited in matter by ionising radiation.
Nuclear & RadiochemistryRadioactive Activity
The number of nuclear disintegrations occurring in a sample per unit time.
Nuclear & RadiochemistryRadioactive Decay Series
A sequence of successive radioactive decays leading from a long-lived parent to a stable end product.
Nuclear & RadiochemistryRadioactive Half-Life
The time required for half the nuclei in a radioactive sample to decay.
Nuclear & RadiochemistryRadioactive Tracer
A radioisotope introduced into a system so that its pathway can be followed by detecting its radiation.
Nuclear & RadiochemistryRadioactive Waste
Material containing radionuclides for which no further use is foreseen and which requires controlled disposal.
Nuclear & RadiochemistryRadioactivity
The spontaneous emission of particles or electromagnetic radiation from unstable atomic nuclei.
Nuclear & RadiochemistryRadiocarbon Dating
A dating technique that determines the age of organic material from its residual carbon-14 content.
Nuclear & RadiochemistryRadioisotope
An isotope of an element whose nucleus is unstable and undergoes radioactive decay.
Nuclear & RadiochemistryRadiolysis
The chemical decomposition of a substance caused by ionising radiation.
Nuclear & RadiochemistryRadiometric Dating
The general technique of determining the age of a sample from the decay of a radioactive nuclide it contains.
Nuclear & RadiochemistryRadiopharmaceutical
A radioactive compound administered to a patient for diagnosis or treatment.
Nuclear & RadiochemistryRadiotherapy
The medical use of ionising radiation to destroy cancerous tissue.