Dec 6, 2025 · Radioactivity, property exhibited by certain types of matter of emitting energy and subatomic particles spontaneously. It is, in essence, an attribute of individual atomic nuclei.

Scientists and engineers use radioactivity as a source of heat for satellites, for medical imaging, for targeted cancer treatments, for radiometric dating, and for research into the laws of nature …

May 1, 2025 · This article will take you through the depths of atomic structure, the mechanics of radioactivity, the different types of decay, the history of its discovery, the technological and …

Jun 10, 2025 · What is radioactive or nuclear decay. What happens during it. What are its kinds. Learn its law, equation & applications, with solved problems.

Radiation is energy given off by matter in the form of rays or high-speed particles. All matter is composed of atoms. Atoms are made up of various parts; the nucleus contains minute …

Feb 22, 2024 · This process is known as radioactivity and the energy that's released is radiation. After an atom expels energy from the nucleus, the composition of the nucleus changes, and …

May 29, 2024 · Radioactivity is a natural phenomenon involving the decay of unstable atomic nuclei, which release energy in the form of radiation. This process helps us understand atomic …

1.2.10: Natural Radioactivity and Half-Life During natural radioactive decay, not all atoms of an element are instantaneously changed to atoms of another element.

May 30, 2021 · The three main types of radioactive decay are alpha, beta, and gamma decay, but there are other nuclear reactions responsible for radioactivity. Here is a look at the definition of …

Jun 2, 2024 · Radioactive decay is a nucleus’ journey to attaining stability via emission of highly energetic radiation and subatomic particles. This phenomenon is called radioactivity.