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Radioactive decay


Radioactive decay, also known as nuclear decay or radioactivity, is the process by which the nucleus of an unstable atom loses ..... Radioactive decay is seen in all isotopes of all elements of atom...

What happens to the atomic nuclei of unstable isotopes during ...


Aug 13, 2015 ... The weak nuclear force is responsible for radioactive decay. If you are willing to just simply accept the nucleus is unstable due to a poor ...

What happens to the atomic nuclei of unstable isotopes during ...


here are the choices. A. give off nuclear radiation. B. are broken down by radioactive bacteria. ... Unstable atomic nuclei decay over time into stable nuclei causing a mineral to be? radioactive. 1 person found this useful. Edit. Share to:.

BBC - GCSE Bitesize Science - Radioactive decay : Revision


Back. Next. The nuclei of some isotopes are unstable and emit radiation. ... isotopes. Unstable nuclei split up in a process called radioactive decay and emit radioactive radiation. ... A = atomic mass (number of protons + neutrons). Z = atomic ...

Isotopes and Radioactivity Tutorial


Radioactive isotopes (also called radioisotopes) have unstable nuclei. ... Some isotopes release an alpha particle during nuclear disintegration; an alpha ... When an isotope emits a beta particle, it decays to a daughter with an atomic number ...

List the Three Types of Radiation Given Off During Radioactive Decay


Radioactive decay – also called radioactivity -- is the breakdown of an unstable ... The theory states that an atomic nucleus consists of two subatomic particles: ... uranium isotopes are unstable, causing them to decay and produce radiation.

Explaining Alpha beta plus beta minus radioactive emission decay ...


What happens in the nucleus of unstable radioactive atoms? ... Beta minus decay tends to happen with isotopes with too many neutrons to be stable (too high an ...

Gamma Radiation - NDE/NDT Resource Center


Over time, the nuclei of unstable isotopes spontaneously disintegrate, or transform, in a ... When an atom undergoes radioactive decay, it emits one or more forms of ... Let's explore what happens to a Uranium-238 Nucleus during Alpha Decay.

Radioactivity and Radioisotopes - NDE/NDT Resource Center


Atoms with unstable nuclei are constantly changing as a result of the ... When the nucleus loses a neutron, it gives off energy and is said to be radioactive.

Basic Nuclear Science Information


Mar 30, 2007 ... Nuclear Structure | Radioactivity | Alpha Decay | Beta Decay |Gamma ... The number of protons in the nucleus, Z, is called the atomic number. ... are approximately 270 stable isotopes, and more than 2000 unstable isotopes.

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The Process of Natural Radioactive Decay - For Dummies


Certain naturally occurring radioactive isotopes are unstable: Their nucleus breaks apart, ... The radioactivity corresponds to the neutron/proton ratio in the atom:.

BBC - GCSE Bitesize: Radioactive decay


When a radioactive isotope decays, it forms a different atom with a different ... occur to the number of particles in an unstable nucleus when it emits a radioactive ...

ChemTeam: Answers to General Radioactivity Questions


4) The process in which the nuclei of unstable atoms can become more stable by ... of an atom into another kind of atom that takes place during radioactive decay. ... 23) The half-life of a given isotope can be altered by heat, pressure, or some ...