radioactivity

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what is the effect of pressure in the rate of radioactive decay
it has no effect
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what is background radiation
radiation that is around us all the time
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what was rutherfords alpha particle scattering experiment
firing alpha particles at a thin metal foil
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what happens to the mass number of a nucleus when it emits a beta particle
it stays the same
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what happens to the atomic number of the nucleus when it emits a beta particle
it goes up by one
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what happens to the atomic number of the buckles when it emits and alpha particle
it goes down by 4
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what happens to the atomic number number of the nucleus when it emits an alpha particle
it goes down by 2
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why is gamma radiation not deflected by electric and magnetic fields
gamma raditaion is uncharged
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what has happened to the number of atoms undergoing nuclear decay in a sample after 3 half lives have passed
it has decreased to 1 8th of its original value
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why is alpha radiation unsuitable for motoring the thickness of metal foil
alpha radiation would not be able to pass through the foil, irrespective of thickness
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a radioactive isotope has a half life of 7 hours. a sample of the isotope has a mass of 4 milligrams. what mass of the isotope has decayed after 14 hours
3 milligrams
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a sample of radioactive isotopes contains 100 000 atoms of the isotope. how many atoms of the isotope will remain after three half lives.
12 500
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Card 2

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what is background radiation

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radiation that is around us all the time

Card 3

Front

what was rutherfords alpha particle scattering experiment

Back

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Card 4

Front

what happens to the mass number of a nucleus when it emits a beta particle

Back

Preview of the front of card 4

Card 5

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what happens to the atomic number of the nucleus when it emits a beta particle

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