Above is a graph of the half life of an element. In the exam, you could be asked to read from a graph such as this, to determine how long it takes an element to decay. If you don’t have a clue what you’re looking at, fear not! All will be explained now!
Radiation is all around us in our daily lives. Whether it comes from sources such as radon gas, x-ray machines or from decaying nuclei, it is all around us – in many forms. Alpha particles, beta particles and gamma rays are some of the important ones when it comes to the P2 exam – and here I will cover them in relative depth.