by abhishek | Aug 31, 2020 | Radioactivity & Nuclear Reactions
The phenomenon of radioactivity involves the release of alpha, beta and gamma rays by the disintegration of a heavy nucleus. When a radioactive substance emits alpha or beta particles it changes into other element. The process of conversion of one element into another...
by abhishek | Aug 30, 2020 | Radioactivity & Nuclear Reactions
The radioactive rays are of three types: Alpha rays Beta rays Gamma rays Nature and Characteristics of Alpha RaysThe alpha rays consist of very small positively charged particles called alpha particles. The alpha particles may be considered as helium nuclei because...
by abhishek | Aug 30, 2020 | Radioactivity & Nuclear Reactions
The phenomenon of radioactivity was discovered by Henry Becquerel in 1896. It may be defined as the phenomenon of spontaneous emission of high energy radiations (alpha rays, beta rays and gamma rays) from certain heavy elements by disintegration of their heavy nuclei....
by abhishek | Aug 30, 2020 | Radioactivity & Nuclear Reactions
Definition of Isotopes: Isotopes of an element are the atoms of the element which have same atomic number but different mass number. Examples of Isotopes Isotopes of HydrogenHydrogen element also exists in the form of three isotopes: protium (1H1), deuterium (1H2)...
by abhishek | Aug 30, 2020 | Radioactivity & Nuclear Reactions
Atomic NumberDefinition of Atomic Number: Atomic number of an element is the number of protons present in the nucleus of an atom. For example, Atomic Number of Carbon: There are 6 protons present in the nucleus of carbon atom so the atomic number of carbon element is...
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