{"query": "Ruthenium (Ru) — element 44", "count": 7, "results": [{"id": "card_ref_el_044", "title": "Ruthenium (Ru) — element 44", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 44. Symbol Ru. Standard atomic weight 101.07. The ruthenium atom carries 44 protons in its nucleus; its place in the periodic table is fixed by that count. Verified reference data.", "authority_tier": "reference", "source": "Verified reference — chemistry", "generated": false}, {"id": "card_src_word_ruthenium", "title": "ruthenium", "shelf": "dictionary", "surface": "secular", "snippet": "ruthenium: (noun) a rare polyvalent metallic element of the platinum group; it is found associated with platinum — syn: Ru, atomic number 44", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_drug_ruthenium", "title": "Ruthenium", "shelf": "medicine", "surface": "secular", "snippet": "Ruthenium: a HUMAN OTC DRUG, pellet given by the oral route.", "authority_tier": "reference", "source": "openFDA / FDA NDC Directory (public domain)", "generated": false}, {"id": "card_src_drug_ruthenium_bromatum", "title": "Ruthenium Bromatum", "shelf": "medicine", "surface": "secular", "snippet": "Ruthenium Bromatum: a HUMAN OTC DRUG, pellet given by the oral route.", "authority_tier": "reference", "source": "openFDA / FDA NDC Directory (public domain)", "generated": false}, {"id": "card_src_drug_ruthenium_muriaticum", "title": "Ruthenium Muriaticum", "shelf": "medicine", "surface": "secular", "snippet": "Ruthenium Muriaticum: a HUMAN OTC DRUG, pellet given by the oral route.", "authority_tier": "reference", "source": "openFDA / FDA NDC Directory (public domain)", "generated": false}, {"id": "card_src_word_ru", "title": "ru", "shelf": "dictionary", "surface": "secular", "snippet": "ru: (noun) a rare polyvalent metallic element of the platinum group; it is found associated with platinum — syn: ruthenium, atomic number 44", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_atomic_number_44", "title": "atomic number 44", "shelf": "dictionary", "surface": "secular", "snippet": "atomic number 44: (noun) a rare polyvalent metallic element of the platinum group; it is found associated with platinum — syn: ruthenium, Ru", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}]}