{"query": "Praseodymium (Pr) — element 59", "count": 5, "results": [{"id": "card_ref_el_059", "title": "Praseodymium (Pr) — element 59", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 59. Symbol Pr. Standard atomic weight 140.90766. The praseodymium atom carries 59 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_praseodymium", "title": "praseodymium", "shelf": "dictionary", "surface": "secular", "snippet": "praseodymium: (noun) a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process — syn: Pr, atomic number 59", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_drug_praseodymium_metallicum", "title": "Praseodymium Metallicum", "shelf": "medicine", "surface": "secular", "snippet": "Praseodymium Metallicum: 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_atomic_number_59", "title": "atomic number 59", "shelf": "dictionary", "surface": "secular", "snippet": "atomic number 59: (noun) a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process — syn: praseodymium, Pr", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_pr", "title": "pr", "shelf": "dictionary", "surface": "secular", "snippet": "pr: (noun) a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process — syn: praseodymium, atomic number 59 · (n", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}]}