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GCSE Physics Radioactivity Exam Questions
With Correct Answers 100% Verified.
Radioactivity - Answer✔The random decay of unstable nuclei
Atomic number - Answer✔Number of protons (the smaller number)
Mass number - Answer✔The number of protons + neutrons (the bigger number)
Isotopes - Answer✔An atom with the same number of protons but a different number of
neutrons.
Radiation is detected by... - Answer✔Geiger-Muller tubes or photographic films.
Activity - Answer✔The number of radiation particles emitted per second.
The unit of activity - Answer✔Becquerels (Bq)
Alpha articles - Answer✔What is it?
2 protons and 2 neutrons emitted from the nucleus
Range in air?
4cm
Stopped by?
Paper
Ionising power?
High
Mass number of 4 and atomic number of 2.
1
GCSE Physics Radioactivity Exam Questions
With Correct Answers 100% Verified.
Radioactivity - Answer✔The random decay of unstable nuclei
Atomic number - Answer✔Number of protons (the smaller number)
Mass number - Answer✔The number of protons + neutrons (the bigger number)
Isotopes - Answer✔An atom with the same number of protons but a different number of
neutrons.
Radiation is detected by... - Answer✔Geiger-Muller tubes or photographic films.
Activity - Answer✔The number of radiation particles emitted per second.
The unit of activity - Answer✔Becquerels (Bq)
Alpha articles - Answer✔What is it?
2 protons and 2 neutrons emitted from the nucleus
Range in air?
4cm
Stopped by?
Paper
Ionising power?
High
Mass number of 4 and atomic number of 2.
1
