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8. The mass of proton is 1.00728u. The energy (in joule) equivalent to the mass of one proton is
-8
a. 2.5 x 10 J.
-10
b. 1.5 x 10 J.
-19
c. 4.2 x 10 J.
-21
d. 1.9 x 10 J.
9. Ratio of the radii of the nuclei with mass numbers 8 and 27 would be
10. The set which represent the isotope, isobar, and isotone respectively is
