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The three stable isotopes of neon .10Ne^...

The three stable isotopes of neon `._10Ne^(20), ._10Ne^(21)` and `._10Ne^(22)` have respective abundances of `90.51%,0.27%` and `9.22%`. The atomic masses of the three isotopes are `19.99u, 20.99u` and `21.99u` respectively. Obtain the average atomic mass of neon.

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20.18 u
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NCERT TAMIL-NUCLEI-EXERCISE
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  2. The three stable isotopes of neon .10Ne^(20), .10Ne^(21) and .10Ne^(22...

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  6. Write nuclear reaction equation for (i) alpha decay of .88Ra^(226) ...

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  10. The half life of .38^90Sr is 28 years. The disintegration rate of 15 m...

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  11. Obtain approx. the ratio of the nuclear radii of the gold isotope .79A...

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  12. Find the Q-value and the kinetic energy of the emitted alpha-particle ...

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  14. The nucleus .^(23)Ne deacays by beta-emission into the nucleus .^(23)...

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  15. The Q value of a nuclear reaction A+b=C+d is defined by Q=[mA+mb-mC-...

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  16. Suppose, we think of fission of a .26Fe^(56) nucleus into two equal fr...

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  17. The fission properties of .84Pu^(239) are very similar to those of .92...

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  18. A 1000 MW fission reactor consumes half of its fuel in 5.00y. How much...

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  19. How long can an electric lamp of 100W be kept glowing by fusion of 2.0...

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