Pearson Edexcel International GCSE (9–1) · PHYSICS · Chapter
Radioactivity
46 practice questions
Topics covered
Practice questions
1–10 of 18 · Easy
Question 1
1 mark · Easy
Answer and see the solution →State the location of protons in an atom.
Question 2
1 mark · Easy
Answer and see the solution →What is meant by the term 'isotope' in physics?
Question 3
1 mark · Easy
Answer and check →Which of the following types of radiation is the most penetrating?
- A.Alpha (α)
- B.Beta (β)
- C.Gamma (γ)
- D.Neutron
Question 4
2 marks · Easy
Answer and see the solution →(a)[1 mark]Name the particle with no charge found in the nucleus of an atom.
(b)[1 mark]State the relative mass of this particle (compared to a proton).
Question 5
2 marks · Easy
Answer and see the solution →Describe one safety precaution you should take when handling radioactive sources in a school laboratory.
Question 6
1 mark · Easy
Answer and check →Which instrument is commonly used to detect ionising radiation in the laboratory?
- A.Thermometer
- B.Geiger-Müller tube
- C.Ammeter
- D.Barometer
Question 7
2 marks · Easy
Answer and see the solution →(a)[1 mark]What is the unit used to measure the activity of a radioactive source?
(b)[1 mark]Define this unit.
Question 8
2 marks · Easy
Answer and see the solution →(a)[1 mark]In the radioactive decay process, which subatomic particle is emitted during beta decay?
(b)[1 mark]State the change in atomic number of the nucleus after beta decay.
Question 9
1 mark · Easy
Answer and see the solution →State what the atomic number (Z) of an atom tells you about its nucleus.
Question 10
3 marks · Easy
Answer and see the solution →(a)[1 mark]Define what an isotope is.
(b)[1 mark]The most common isotope of oxygen is written as . How many neutrons does it have in its nucleus?
(c)[1 mark]Explain, in terms of neutrons and protons, how isotopes of the same element are similar and how they differ.