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In the series : ""(88)^(226)Raoverset(...

In the series :
`""_(88)^(226)Raoverset(-alpha)to""_(86)^(222)Rnoverset(-alpha)to""_(84)^(218)RaAoverset(-alpha)to""_(82)^(214)RaBoverset(-Beta)to""_(83)^(214)RaC` Ra belongs to which period?

A

V

B

VI

C

IV

D

II

Text Solution

Verified by Experts

The correct Answer is:
A
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MODERN PUBLICATION-NUCLEAR CHEMISTRY-Multiple Choice Questions
  1. If a radioactive nucleide of group 15 element undergoes Beta-particle ...

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  2. Which of the following is considered as a synthetic element ?

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  3. In the series : ""(88)^(226)Raoverset(-alpha)to""(86)^(222)Rnoverset...

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  4. The energy released in nuclear reactions corresponding to 1 a.m.u. is ...

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  5. Uranium series is also known as:

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  6. The number of a-particles emitted by ""^(218)Ra in changing to stable ...

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  7. Radioisotopes have been used in treatment of certain diseases. For tre...

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  8. The radiant energy of the sun is due to:

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  9. The phenomenon of nuclear fission was experimentally observed by :

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  10. Which is used as a neutron absorber in nuclear reactors to control the...

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  11. Average life period is equal to :

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  12. In the nuclear reaction : ""(13)^(27)Al+""(2)^(4)Heto""(15)^(30)X+""...

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  13. If an element emits an alpha-particle, then the position of daughter e...

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  14. The equipment used to carry out the fission reaction in a controlled m...

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  15. The radioactive isotope of carbon used in radio carbon dating is :

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  16. The first positron emitter discovered was :

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  17. The half life periods of four isotopes are given : I = 6.7 years II ...

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  18. Which of the following process results in emission of X-rays ?

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  19. Explain the principle behind the Hydrogen bomb.

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  20. The 4n series starts from thorium-232 and ends at :

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