Cambridge IGCSE 0620 · Chemistry

Question
Naturally occurring copper is a mixture of two forms of the same element that differ only in the mass of their nuclei.
[2 marks] Describe / Explain
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Modelled on Cambridge 0620 · Oct/Nov 2025 · Paper 41 · Q1(b)(i)

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Modelled on Cambridge 0620 · Oct/Nov 2025 · Paper 41 · Q1(b)(i)
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