Atoms & Nuclear Radiation (AQA GCSE Physics Combined Science): Flashcards
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14 cards from this deck
Composition of alpha particle
Composition of alpha particle
2 neutrons and 2 protons
Alpha particle has same composition as
Alpha particle has same composition as
Helium nucleus
Distance alpha travels in air
Distance alpha travels in air
5 cm
What stops alpha radiation
What stops alpha radiation
Single sheet of paper
Ionisation strength of alpha radiation
Ionisation strength of alpha radiation
Very strongly ionising
What is a beta particle
What is a beta particle
Electron ejected from nucleus at high speed
How does a beta particle form in nucleus
How does a beta particle form in nucleus
Neutron changes into proton and electron
Distance beta travels in air
Distance beta travels in air
15 cm
What stops beta radiation
What stops beta radiation
Few millimetres of aluminium
Ionisation strength of beta radiation
Ionisation strength of beta radiation
Quite strongly ionising
What type of radiation is gamma
What type of radiation is gamma
Electromagnetic radiation from nucleus
Distance gamma travels in air
Distance gamma travels in air
Several meters
What absorbs gamma radiation
What absorbs gamma radiation
Thick lead sheets or meters of concrete
Ionisation strength of gamma radiation
Ionisation strength of gamma radiation
Weakly ionising