NON-METALS (CHEMICAL ELEMENTS)
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BTNON-METALS AND METALLOIDS (INORGANIC CHEMISTRY)
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UDC546.1*2
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Descriptor GERNICHTMETALLE (CHEMISCHE ELEMENTE)
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Descriptor ENGNON-METALS (CHEMICAL ELEMENTS)
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Descriptor FRENON-MÉTAUX (ÉLÉMENTS CHIMIQUES)
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NTCHALCOGENS (CHEMICAL ELEMENTS)
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NTRARE GASES (CHEMICAL ELEMENTS)
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NTHALOGENS (CHEMICAL ELEMENTS)
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NTCARBON (CHEMICAL ELEMENTS)
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NTNON-METAL ISOTOPES
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NTNON-METAL COMPOUNDS (INORGANIC CHEMISTRY)
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NTPHOSPHORUS (CHEMICAL ELEMENTS)
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NTNITROGEN (CHEMICAL ELEMENTS)
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NTHYDROGEN + HYDROGEN ISOTOPES