Cobalt-60 is commonly used in industrial radiography and radiation therapy. The nucleus of cobalt-60 can be represented as
2760Co ^{60}_{27}\text{Co} 2760CoState the two types of particle present in a nucleus of cobalt-60, and the number of each particle present.
Cobalt has more than one isotope. Explain what is meant by the term isotope.
170 exam-style questions on CIE IGCSE Physics 5.1.2a Composition of the nucleus and isotopes. Each one has a worked solution and a mark scheme showing where the marks go.