c.
55. Select a statement describing mass defect.
a. The portion of the mass of particles of the nucleus given up to binding
energy.
b. The mass of the nucleus of an-atom after a period of radioactive decay.
a.
56. List the three types of changes that take place in matter.
(1)
(2)
(3)
Physical
chemical
Nuclear
You have completed the text of this subcourse. Review the objectives on
pages i and ii, and make sure you understand them. When you are ready,
complete the examination, which begins on Page E-1.
.