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GCSE Physics Radioactivity
GCSE Physics Radioactivity 
 
Radioactivity - CORRECT ANSWER-The random decay of unstable nuclei 
 
Atomic number - CORRECT ANSWER-Number of protons (the smaller number) 
 
Mass number - CORRECT ANSWER-The number of protons + neutrons (the bigger number) 
 
Isotopes - CORRECT ANSWER-An atom with the same number of protons but a different number of neutrons. 
 
Radiation is detected by... - CORRECT ANSWER-Geiger-Muller tubes or photographic films. 
 
Activity - CORRECT ANSWER-The number of radiat...
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GCSE Physics Radioactivity 
 
Radioactivity - CORRECT ANSWER-The random decay of unstable nuclei 
 
Atomic number - CORRECT ANSWER-Number of protons (the smaller number) 
 
Mass number - CORRECT ANSWER-The number of protons + neutrons (the bigger number) 
 
Isotopes - CORRECT ANSWER-An atom with the same number of protons but a different number of neutrons. 
 
Radiation is detected by... - CORRECT ANSWER-Geiger-Muller tubes or photographic films. 
 
Activity - CORRECT ANSWER-The number of radiat...