Keyword Analysis & Research: radioactive decay definition quizlet

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What are some examples of radioactive decay?

Examples of Radioactive Decay. There are a number of applications where we use the concept of radioactive decay in real life, some of them are listed below: 1. Smoke Detectors. One of the prominent applications of alpha decay can be observed in the smoke detectors installed in buildings.

What is the process of radioactive decay?

Alpha decay occurs when the nucleus ejects an alpha particle (helium nucleus).Beta decay occurs in two ways; beta-minus decay, when the nucleus emits an electron and an antineutrino in a process that changes a neutron to a proton. ...In gamma decay a radioactive nucleus first decays by the emission of an alpha or beta particle. ...More items...

What is radioactivity decay?

Radioactive decay is a ubiquitous process in nature. It is what causes nuclear substances (like uranium) to be dangerous, but it is also useful when investigating the age of certain entities. Ultimately, radioactive decay is how unstable elements regain stability.

What is the half life of radioactive decay?

half-life, in radioactivity, the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay (change spontaneously into other nuclear species by emitting particles and energy), or, equivalently, the time interval required for the number of disintegrations per second of a radioactive material to decrease by one-half.

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