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P6 - Radioactivity - Coggle Diagram
P6 - Radioactivity
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P6e - types of radiation
beta radiation - medium penetration, medium ionising
gamma radiation - good penetration, only slightly ionising
alpha radiation - poor penetration, highly ionising
5 types of radiation: alpha, beta, gamma, positron, neutron.
P6a - atomic models
plum pudding model - the atom was arranged as a positive charge (proton) throughout with electrons scattered inside.
alpha particle scattering experiment - proved the plum pudding model inaccurate. The alpha particles were supposed to rebound off the foil but instead went straight through.
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P6g - half life
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the more unstable particles there are, the more likely it'll decay
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P6b - inside atoms
isotope - each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties.
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