{"query": "Lithium (Li) — element 3", "count": 20, "results": [{"id": "card_ref_el_003", "title": "Lithium (Li) — element 3", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 3. Symbol Li. Standard atomic weight 6.94. The lithium atom carries 3 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", "readable": false, "generated": false}, {"id": "card_theory_stellar_nucleosynthesis_the_hr_diagram", "title": "Stellar nucleosynthesis & the HR diagram", "shelf": "theories", "surface": "secular", "snippet": "Stellar nucleosynthesis & the HR diagram — an engine domain that can touch it: astronomy. Calibration: partial — specific relations verify; the theory as a whole is not a sealable computation. 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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)", "readable": true, "generated": false}, {"id": "card_src_word_atomic_number_3", "title": "atomic number 3", "shelf": "dictionary", "surface": "secular", "snippet": "atomic number 3: (noun) a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals — syn: lithium, Li", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_word_lithium", "title": "lithium", "shelf": "dictionary", "surface": "secular", "snippet": "lithium: (noun) a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals — syn: Li, atomic number 3", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_etym_lithium", "title": "lithium", "shelf": "etymology", "surface": "secular", "snippet": "lithium: etymology (Webster 1913) — n.: [NL., from Gr. 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