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Two stable isotopes .3^6Li and .3^7Li ha...

Two stable isotopes `._3^6Li` and `._3^7Li` have respective abundances of 7.5% and 92.5% . These isotopes have masses 6.01512 u and 7.01600 u respectively. The atomic weight of lithium is

A

5.941 u

B

6.491 u

C

6.941 u

D

6.149 u

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The correct Answer is:
C
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AAKASH SERIES-NUCLEI-Exercise-II
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  3. Two stable isotopes .3^6Li and .3^7Li have respective abundances of 7....

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  4. A heavy nucleus at rest breaks into two fragments which fly off with v...

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  5. The energy equivalent to 1 amu is?

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  6. 1g ofhydrogen is converted into 0.993 g of helium in a thermonucleart...

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  7. If one microgram of .92^235U is completely destroyed in an atom bomb, ...

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  8. What is the approximate energy released by the complete annihilation o...

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  10. The mass defect for the nucleus of helium is 0.0303 a,m,u,. What is th...

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  11. If the binding energy per nucleon in .(3)Li^(7) and .(2)He^(4) nuclei ...

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  12. Calculate the binding energy per nucleon of .17^35Cl nucleus. Given th...

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  13. Binding energies of .1H^2 , .2He^4 , .26Fe^56 and .92U^235 nuclei are ...

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  14. How much energy is required to separate a typical nucleus ""(50)Sn^(12...

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  15. Calculate the binding energy of an alpha-particle in MeV Given : m(p) ...

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  19. Plutonium decays with half life of 24000 years. If plutonium is stored...

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