The Mass of a Proton Is 1

question 33

Multiple Choice

The mass of a proton is 1.00728 amu and that of a neutron is 1.00867 amu. What is the mass defect (in amu) of a nucleus? (The mass of a cobalt- 60 nucleus is 59.9338 amu.) .?

• A) 0.0662
• B) 0.5405
• C) 27.7830
• D) 0.4827
• E) 0.5489

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