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Radioactive decay


Radioactive decay, also known as nuclear decay or radioactivity, is the process by which the ... A decay, or loss of energy from the nucleus, results when an atom with one type of nucleus, called th...

Why do atomic nuclei decay - Answers.com


To become stable.

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


In every instance where an unstable isotope undergoes radioactive decay, one or more atoms with a ... What do all atoms of the same element have in common?

Alpha Decay


Alpha decay occurs most often in massive nuclei that have too large a proton to ... so the original (or parent) atoms and the decay-product (or daughter) atoms ...

Why do some nuclei decay? - Quora


Dec 17, 2015 ... Nucleus is made of two sub atomic particles. protons and neutrons. protons are positively charge particle and neutrons is neutral.some nuclei ...

Radioactive Decay - NDE/NDT Resource Center


After reading this section you will be able to do the following: ... Radioactive decay is the spontaneous breakdown of an atomic nucleus resulting in the release of ...

Neutron Stability in Atomic Nuclei | Of Particular Significance


May 8, 2012 ... 2: A neutron on its own will decay after a few minutes to a proton, and .... It turns out that there are quite a few nuclei that, like a neutron, do fall ...

Radioactive decay


Aug 9, 2000 ... Each nucleus can be characterized by two numbers: A, the atomic mass ... To find the binding energy, then, all you need to do is to add up the ...

Isotopes and Radioactivity Tutorial


Radioactive isotopes (also called radioisotopes) have unstable nuclei. ... When an isotope emits a beta particle, it decays to a daughter with an atomic .... and their relatively small areas, do currently dispose of nuclear wastes on the seabed.

Radioactivity - ANSTO


Radioactive decay is the spontaneous radioactive disintegration of an atomic nucleus, resulting in the release of energy. Some atoms are stable while others are ...

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The Process of Natural Radioactive Decay - For Dummies


The forces that normally hold the nucleus together sometimes can't do the job, and ... As an alpha particle breaks away from the nucleus of a radioactive atom, ...

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. .... Only when they are squeezed very close to one another do they feel the strong ...

BBC - GCSE Bitesize Science - Radioactive decay : Revision


When the nucleus of an atom possesses either too many or too few neutrons compared to ... In Beta (β-) decay, a neutron changes into a proton plus an electron.