{"query": "Fluorine (F) — element 9", "count": 7, "results": [{"id": "card_ref_el_009", "title": "Fluorine (F) — element 9", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 9. Symbol F. Standard atomic weight 18.998403163. The fluorine atom carries 9 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_fluorine", "title": "fluorine", "shelf": "dictionary", "surface": "secular", "snippet": "fluorine: (noun) a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapa", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_pron_fluorine", "title": "fluorine", "shelf": "pronunciation", "surface": "secular", "snippet": "fluorine: pronounced (ARPABET) F L UH1 R IY2 N; also F L AO1 R IY2 N. From the CMU Pronouncing Dictionary — the standard machine-readable pronunciations of North American English.", "authority_tier": "reference", "source": "CMU Pronouncing Dictionary (cmudict) — BSD-2-Clause, Carnegie Mellon", "generated": false}, {"id": "card_src_fed_nasa_techdoc_19700018655", "title": "Lithium-fluorine-hydrogen propellant investigation Final report", "shelf": "science", "surface": "secular", "snippet": "Lithium-fluorine-hydrogen propellant investigation Final report. A United States federal publication, public domain (17 USC 105). The full text (330,290 bytes) is held on the ark; waybill sha256 86d1e", "authority_tier": "reference", "source": "NASA technical documents (PD, 17 USC 105)", "generated": false}, {"id": "card_src_word_halogen", "title": "halogen", "shelf": "dictionary", "surface": "secular", "snippet": "halogen: (noun) any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_atomic_number_9", "title": "atomic number 9", "shelf": "dictionary", "surface": "secular", "snippet": "atomic number 9: (noun) a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or f", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_f", "title": "f", "shelf": "dictionary", "surface": "secular", "snippet": "f: (noun) a degree on the Fahrenheit scale of temperature — syn: degree Fahrenheit · (noun) a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; ", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}]}