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GCSE Physics Radioactivity Exam Questions With Correct Answers 100% Verified.

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©THESTAR 2024/2025 ALL RIGHTS RESERVED 11:09PM. A+ 1 GCSE Physics Radioactivity Exam Questions With Correct Answers 100% Verified. Radioactivity - AnswerThe random decay of unstable nuclei Atomic number - AnswerNumber of protons (the smaller number) Mass number - AnswerThe number of protons + neutrons (the bigger number) Isotopes - AnswerAn atom with the same number of protons but a different number of neutrons. Radiation is detected by... - AnswerGeiger-Muller tubes or photographic films. Activity - AnswerThe number of radiation particles emitted per second. The unit of activity - AnswerBecquerels (Bq) Alpha articles - AnswerWhat 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 numbe

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©THESTAR 2024/2025 ALL RIGHTS RESERVED 11:09PM. A+




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.


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