NON-METAL ISOTOPES
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BTISOTOPES
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BTNON-METALS (CHEMICAL ELEMENTS)
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UDC546.1*2%54.027
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Descriptor GERNICHTMETALL-ISOTOPE
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Descriptor ENGNON-METAL ISOTOPES
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Descriptor FREISOTOPES DES NON-MÉTAUX
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Variant GERNICHTMETALLISOTOPE
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Variant GERISOTOPE/NICHTMETALL-ISOTOPE
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Variant ENGISOTOPES/NON-METAL ISOTOPES
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Variant FRENON-MÉTAUX/ISOTOPES DES NON-MÉTAUX
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NTNOBLE GASES ISOTOPES
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NTHALOGEN ISOTOPES
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NTCARBON/ISOTOPES
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NTPHOSPHORUS ISOTOPES
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NTOXYGEN ISOTOPES
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NTSULFUR ISOTOPES
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NTSELENIUM ISOTOPES
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NTNITROGEN ISOTOPES
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NTHYDROGEN + HYDROGEN ISOTOPES