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Cambridge IGCSE Chemistry practice

Paper 3 structured question: Isotopes

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Isotopes

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Paper 3Theory (Core)3 marks

Discuss the significance of isotopes in science.

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Significance of Isotopes

Isotopes play a crucial role in fields such as medicine, archaeology, and environmental science.

  1. a

    Explain the importance of isotopes in medicine.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 3 structured question: Isotopes

Paper 3Theory (Core)1 marks

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Understanding Isotopes

Isotopes are variations of the same element characterized by having identical proton counts but differing neutron counts. For example, Carbon-12 and Carbon-14 are isotopes of carbon.

  1. a

    State the definition of an isotope.

    Aim for approximately 1 distinct marking point.

    [1]