docx, 9.75 MB
docx, 9.75 MB
docx, 13.32 KB
docx, 13.32 KB

This worksheet contains 132 Mcqs from the past 10 year papers. It includes
Describe the structure of an atom in terms of a
positive nucleus and negative electrons
Describe how the scattering of α-particles by
thin metal foils provides evidence for the nuclear atom
Describe the composition of the nucleus in terms of protons and neutrons
• State the charges of protons and neutrons
• Use the term proton number Z
• Use the term nucleon number A
• Use the term nuclide and use the nuclide notation
• Use and explain the term isotope
• Balance equations involving nuclide notation
Demonstrate understanding of background
radiation
• Describe the detection of α-particles, β-particles
and γ-rays (β+ are not included: β-particles will be taken to refer to β–)
Use equations involving nuclide notation to represent changes in the composition of the nucleus when particles are emitted
Calculate half-life from data or decay curves from which background radiation has not been subtracted

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