Calculate the mass defect(in u) of an atom of 7Li3 having atomic mass – McqOptions

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1.	Calculate the mass defect(in u) of an atom of 7Li3 having atomic mass 7.016 u. (masses of neutron, proton and electron are 1.00866 u, 1.00727 u and 0.00055 u respectively).
A.	0.042099
B.	0.084199
C.	0.126299
D.	0.021049
Answer» B. 0.084199

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