same amount of positive Find out the origins of the charge. The name ‘proton’ words protons, neutrons and was given to these particles. electrons. Lastly, in 1932, the experimental work of James Chadwick provided the evidence to show the existence within the nucleus of the neutron. This was about 20 years after the nucleus became an accepted scientific idea. 6.4.2 Atoms and radiation Spec ref. Summary of the Learning outcomes Suggested Opportunities to develop Scientific Opportunities to Self/peer assessment specification timing Communication skills develop and apply opportunities and What most candidates should content practical and enquiry resources be able to do skills Reference to past questions that indicate success 6.4.2.1 The radioactive Some atomic nuclei are 0.4 Why are some atoms radioactive? Investigate the random decay of an unstable. The nucleus gives nature of radioactive Where does the radiation come unstable element. out ionising radiation as it decay by throwing dice from? changes to become more or coins. Is it possible
same amount of positive charge. The name ‘proton’ was given to these particles. Lastly, in 1932, the experimental work of James Chadwick provided the evidence to show the existence within the nucleus of the neutron. This was about 20 years after the nucleus became an accepted scientific idea. Find out the origins of the words protons, neutrons and electrons. 6.4.2 Atoms and radiation Spec ref. Summary of the specification content Learning outcomes What most candidates should be able to do Suggested timing Opportunities to develop Scientific Communication skills Opportunities to develop and apply practical and enquiry skills Self/peer assessment opportunities and resources Reference to past questions that indicate success 6.4.2.1 The radioactive decay of an unstable element. Some atomic nuclei are unstable. The nucleus gives out ionising radiation as it changes to become more 0.4 Why are some atoms radioactive? Where does the radiation come from? Investigate the random nature of radioactive decay by throwing dice or coins. Is it possible