Radionuclides

Radionuclides are atoms with an unstable nucleus, which can undergo radioactive decay. The term is often used synonymously with radioisotope, although the latter refers specifically to a nuclide that is radioactive. Radionuclides can occur naturally, as in the case of radon, uranium, and thorium, or they can be produced artificially.

Characteristics

Radionuclides are characterized by their half-life, the time it takes for half of the atoms in a sample to decay, and their decay mode, the process by which the nucleus transforms to reach a more stable state. The decay mode can involve the emission of alpha particles, beta particles, or gamma rays, or a combination of these.

Uses

Radionuclides have many practical uses, particularly in medicine and industry. In medicine, they are used in both diagnosis and treatment. For example, Technetium-99m is a radionuclide that is commonly used in medical imaging. In industry, radionuclides are used in a variety of applications, including radiography, tracing, and therapy.

Safety

The handling and disposal of radionuclides must be done with care to avoid unnecessary exposure to radiation. This involves the use of protective clothing and equipment, as well as strict adherence to safety protocols.

See also

• Radioactive decay
• Nuclear medicine
• Radiation protection

Radionuclides Resources
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