Question

A tritium nucleus consists of one proton and two neutrons and has a total mass of 3.0170 atomic mass units. What is the mass defect of the tritium nucleus? (see attatched file)

Answer 1

a)0.0014 u b) 2.0160 u c) 1.0010 u d) 0.0077 u

Answer 2

0.0077 u

Answer 3

Any more questions? :D

Answer 4

In case you were wondering how it is done. Calculate the mass of the atom using rest mass. ((2x1.0087)+(1x1.0073))=3.0247. Now subtract the given mass from it and you end up with .0077 u