1) The mass of the fuel in a fission reactor decreases at a rate of 6.0×10⁻⁶ kg hour⁻¹.

What is the maximum possible power output of the reactor?

2) Lithium-7 has the following symbol:
The following are the masses of three particles:

Proton: 1.00728 u

Neutron: 1.00867 u

Nucleus of lithium-7: 7.01436

What is the mass defect of a lithium-7 nucleus?

3) A nucleus Z has atomic number Z and mass number A.

The mass defect of this nucleus is Δm.

What is the binding energy per nucleon of the nucleus?

4) The number of parent nuclei in a sample of a radioactive element is N at time t. The radioactive element has a half-life t_½.

The rate of decay is proportional to

5) The binding energy (B.E.) per nucleon is a useful measure of the stability of a nucleus.

Which graph shows how the B.E. per nucleon varies with nucleon number (A)?