P7 RADIATIONNNN !!!! 0.0 / 5 ? PhysicsRadioactivityGCSEAQA Created by: ImDumb21Created on: 08-07-19 09:12 what do electrons absorb ??? electromagnetic radiation 1 of 13 how many protons and neutrons do alpha particals have ??? 2 protons and 2 neutrons ( like a helium atom ) 2 of 13 is a beta partical positivly or negativly charged ??? negativly charged 3 of 13 what is activity measured in ??? becquerel (Bq) 4 of 13 what is a half life ??? A half life is the time it takes for the number of nuclei (of the sample of the isotope) to halve 5 of 13 count rate ??? number of decays recorded each second 6 of 13 what do u measure count rate in ??? geiger muller tube 7 of 13 what's irradiation ??? exposure to radiation ( object or human ) 8 of 13 what's contamination ??? direct contact with radioactive force 9 of 13 net decline ??? the net decline of an isotope is the fraction after a number of half lives 10 of 13 does alpha particals have the least ionising power ??? na bro 11 of 13 is gamma a radioactive partical ??? no its a ray ( of sunnnnnnshineeee ) 12 of 13 is beta a radioactive ray or partical its a particallllllllllllllllll 13 of 13
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