https://w3id.org/framester/conceptnet5/data/en/nitrogen <https://w3id.org/framester/conceptnet5/schema/AtLocation> <https://w3id.org/framester/conceptnet5/data/en/air> <https://w3id.org/framester/conceptnet5/data/en/in_air> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/relatively_inert_gas> <https://w3id.org/framester/conceptnet5/data/en/gas> <https://w3id.org/framester/conceptnet5/data/en/chemical_element> <https://w3id.org/framester/conceptnet5/data/en/pnictogen> <https://w3id.org/framester/conceptnet5/data/en/non_metallic_element> <https://w3id.org/framester/conceptnet5/data/en/inert_element> <https://w3id.org/framester/conceptnet5/data/en/gas_at_1_atmosphere> <https://w3id.org/framester/conceptnet5/schema/PartOf> <https://w3id.org/framester/conceptnet5/data/en/atomosphere> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/laugh_gas> <https://w3id.org/framester/conceptnet5/data/en/saltpetre> <https://w3id.org/framester/conceptnet5/data/en/aqua_regia> <https://w3id.org/framester/conceptnet5/data/en/saltpeter> <https://w3id.org/framester/conceptnet5/data/en/aqua_fortis> <https://w3id.org/framester/conceptnet5/cla/de.stickstoff> risorse dalla linked data cloud