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Radioactive decay - Wikipedia


Radioactive decay is the process by which the nucleus of an unstable atom loses energy by ... By contrast, there are radioactive decay processes that do not result in a nuclear transmutation. The en...

Why do atomic nuclei decay - Answers.com


To become stable.

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 ...

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 ...

Radioactivity - Institute of Physics


Radioactive decay occurs in unstable atomic nuclei – that is, ones that don't ... or a sheet of paper – although this type of radiation does the most damage to ...

BBC - GCSE Bitesize Science - Radioactive decay : Revision


When the nucleus of an atom possesses either too many or too few neutrons compared ... Unstable nuclei split up in a process called radioactive decay and emit ...

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 ...

beta decay | physics | Britannica.com


Thus, positive beta decay produces a daughter nucleus, the atomic number of which ... Inside a nucleus it can be stable if the nucleus does not contain too many ...

Types of decay | Atomic nucleus | Physical processes | MCAT | Khan ...


Alpha, Beta, Gamma Decay and Positron Emission. ... Formatting tips. wait if an atom has basically space then how do we touch objects? 4 Votes. • 2 Comments  ...

Radioactive Decay | Atomic Physics | Science | atomicarchive.com


Radioactive Decay. Radioactivity is the spontaneous disintegration of atomic nuclei. This phenomenon was first reported in 1896 by the French physicist Henri  ...

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The Process of Natural Radioactive Decay - dummies


The forces that normally hold the nucleus together sometimes can't do the job, and so the ... The radioactivity corresponds to the neutron/proton ratio in the atom :.

Why Does Radioactive Decay Occur? - Chemistry - About.com


Nov 6, 2015 ... Radioactive decay a the spontaneous process through which an unstable atomic nucleus breaks into smaller, more stable fragments. Have you ...

Basic Nuclear Science Information


Mar 30, 2007 ... Nuclear Structure | Radioactivity | Alpha Decay | Beta Decay |Gamma Decay ... If the new window does not have a scroll bar, you can click on the ... The number of protons in the nucleus, Z, is called the atomic number.