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nihar kuchroo Grade: 12
        

what are isotopes,isotones,isobars,isoelectronic species

7 years ago

Answers : (1)

SAGAR SINGH - IIT DELHI
879 Points
										

Dear nihar,


Isotopes:


Atoms of the same element can have different numbers of neutrons; the different possible versions of each element are called isotopes. For example, the most common isotope of hydrogen has no neutrons at all; there's also a hydrogen isotope called deuterium, with one neutron, and another, tritium, with two neutrons.


Isotones:


Isotones are elements having the same number of neutrons. Examples of isotones are Chlorine - 37 and Potassium - 39. Both have 20 neutrons in their nuclei.


Isobars


Isotopes are chemically same and physically different. But the converse is true in isobars. That is isobars are elements, which are chemically different but physically same. So, isobars are atoms of different elements having the same atomic mass but different atomic number. Since their number of electrons is different, their chemical properties are different. The light nuclei have unstable isobars. Heavy nuclei have stable isobars and these occur in pairs. Suppose the number of protons of one isobar matches with that of another they are called as mirror-nuclides of each other.


Examples of isobars are


examples for isobars




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Sagar Singh


B.Tech IIT Delhi






6 years ago
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