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...
by abhishek | Aug 30, 2020 | Radioactivity & Nuclear Reactions
Generally chemical reactions take place by transfer or sharing of valence electrons. These reactions do not cause any change in the nucleus of atom. But, there are certain reactions in which nucleus of atoms undergo a change. Such reactions in which nuclei of atoms...
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