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A nuclide which lies above the zone of s...

A nuclide which lies above the zone of stability is likely to emit _________.

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The correct Answer is:
`beta` - particles
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Unstable nuclei attain stability through disintegration. The nuclear stability is related to neutron proton ratio (n//p) . For stable nuclei n//p ratio lies close to unity for elements with low atmoic numbers (20 or less) but it is more than 1 for nuclei having higher atomic numbers. Nuclei having n//p ratio either very high or low undergo nuclear transformation. When n//p ratio is higher than required for stability, the nuclei have the tendency to emit beta -rays. while when n//p ratio is lower than required for stability, the nuclei either emits alpha -particles or a positron or capture K -electron.

Unstable nuclei attain stability through disintegration. The nuclear stability is related to neutron proton ratio (n//p) . For stable nuclei n//p ratio lies close to unity for elements with low atmoic numbers (20 or less) but it is more than 1 for nuclei having higher atomic numbers. Nuclei having n//p ratio either very high or low undergo nuclear transformation. When n//p ratio is higher than required for stability, the nuclei have the tendency to emit beta -rays. while when n//p ratio is lower than required for stability, the nuclei either emits alpha -particles or a positron or capture K -electron.

MOTION-RADIOACTIVITY -EXERCISE - 3
  1. A mixture of ""^(239)Pu and ""^(240)Pu has a specific activity of 6 xx...

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  2. In a nature decay chain series starts with ""(90)Th^(232) and finally ...

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  3. A sample of {:(131),( 53):} I, as iodine ion, was administered to a pa...

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  4. A sample of Uraninite, a Uranium containing mineral was found on analy...

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  5. .(92)^(238)U by successive radioactive decays changes to .(82)^(206) P...

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  6. A sample pitch blende is found to contain 50% Uranium (U^(238)) and 2....

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  7. A 10 mL sample of a solution containing 1.0 xx 10^(–7) Ci of {:(3),(1...

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  8. Nuclei of a radioactive element A are being produced at a constant rat...

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  9. Nuclei of a radioactive element 'A' are being produced at a constant r...

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  10. Nuclei of a radioactive element 'A' are being produced at a constant r...

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  11. Mass defect in the nuclear reactions may by expressed in terms of the ...

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  12. Mass defect in the nuclear reactions may by expressed in terms of the ...

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  13. 1 Curie is equal to.

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  14. {:(14),(6):}C decays by emission of .

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  15. Emission of a beta - particle by a nuclide results in the formation o...

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  16. The number of alpha and beta - particles emitted, when the following...

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  17. The nuclides with same difference of number of neutrons and number of ...

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  18. When {:(30),( 15):}P emits a position, the daughter nuclide formed is ...

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  19. A nuclide which lies above the zone of stability is likely to emit .

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  20. .(1)^(3)H and .(2)^(4)He are:

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