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C1 - Atomic Structure 2 (C1.6 -Structure of the Atom (protons (positively…
C1 - Atomic Structure 2
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C1.7 - Ions, Atoms and Isotopes
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isotopes
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sometimes extra neutrons make the nucleus unstable so it is radioactive but not all isotopes are radioactive
samples of different isotopes have different physical properties e.g they will have a different density or could be radioactive
however they always have the same chemical properties because their reactions depends on their electronic structures
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