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The half-life of a radioactive isotope i...

The half`-`life of a radioactive isotope is always. `…………………………`.

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Constant
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CENGAGE CHEMISTRY-NUCLEAR CHEMISTRY-Exercise Fill In The Blanks
  1. The n//p ratio for a stable lighter nuclei is about ……………… .

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  2. In beta- emission, n//p ratio. …………………… .

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  3. The half-life of a radioactive isotope is always. ………………………….

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  4. The decay constant related to half- life period is …………..

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  5. The rate of disintegration of a radioactive substance is …………………………… ...

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  6. Radioactive substance of 1 curie is the amount that can produce ………………...

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  7. The last member of 4n+1 series is an isotope of …………………………………. .

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  8. The conversion of one element into another by aritificial means is ter...

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  9. In nuclear reactions, total number of …………… and ………………. are conserved.

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  10. In exoergic reaction, the total mass of products is ……………………….. than t...

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  11. The disappearance of one atomic mass unit (am u) releases ………………………. ...

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  12. The most effective projectile in the transmutation of heavy element is...

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  13. The hydrogen bomb uses the principle of ……………………….

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  14. The atomic bomb uses the principle of ……………… .

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  15. ………………………….. brings fission in U^(235).

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  16. .(7)N^(14)+ .(0)n^(1)rarr ...................+.(1)H^(1)

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  17. Atoms of the same element possessing identical mass but differing in h...

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  18. Nuclear fusion takes place at very high temperature and hence it is ca...

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  19. The splitting of a heavy nuclei with neutron into two smaller nuclei a...

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  20. The age of archaeological findings can be determined by ……………….. meth...

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