Calculate the mass defect in (in u) an atom of of 4He2 atomic mass 4.0 – McqOptions

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1.	Calculate the mass defect in (in u) an atom of of 4He2 atomic mass 4.002602 u. (masses of neutron, proton and electron are 1.00866 u, 1.00727 u and 0.00055 u respectively).
A.	0.030357
B.	0.060715
C.	0.091073
D.	0.015178
Answer» B. 0.060715

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