Isotope

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Atoms of the same atomic number (i.e. the same chemical element), however with a different nucleon number, e.g. Ne-20 and Ne-22. Both nuclei belong to the same chemical element neon (symbol: Ne) and therefore both have 10 protons each. The nucleon number is different since Ne-20 has ten neutrons and Ne-22 twelve neutrons.

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11 - 15 March 2018
Munich, Germany

30 September - 04 October 2018
Prague, Czech Republic