{"query": "Mercury (Hg) — element 80", "count": 20, "results": [{"id": "card_ref_el_080", "title": "Mercury (Hg) — element 80", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 80. Symbol Hg. Standard atomic weight 200.592. The mercury atom carries 80 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_src_openstax_anatomy_and_physiology_2e_review_questions_95f64ff2", "title": "Review Questions — Anatomy and Physiology 2e", "shelf": "medicine", "surface": "secular", "snippet": "Review Questions\n\n4.\n\nTogether, just four elements make up more than 95 percent of the body’s mass. These include ________.\n\ncalcium, magnesium, iron, and carbon\n\noxygen, calcium, iron, and nitrogen\n\n", "authority_tier": "reference", "source": "OpenStax: Anatomy and Physiology 2e (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_openstax_anatomy_and_physiology_review_questions_b373a7e0", "title": "Review Questions — Anatomy and Physiology", "shelf": "medicine", "surface": "secular", "snippet": "Review Questions\n\n4.\n\nTogether, just four elements make up more than 95 percent of the body’s mass. These include ________.\n\ncalcium, magnesium, iron, and carbon\n\noxygen, calcium, iron, and nitrogen\n\n", "authority_tier": "reference", "source": "OpenStax: Anatomy and Physiology (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_word_mercury", "title": "mercury", "shelf": "dictionary", "surface": "secular", "snippet": "mercury: (noun) a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures — syn: quicksilver, hydrargyrum, Hg, atomic number 80 · (noun) (Ro", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_word_hg", "title": "hg", "shelf": "dictionary", "surface": "secular", "snippet": "hg: (noun) a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures — syn: mercury, quicksilver, hydrargyrum, atomic number 80 · (noun) 100", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_word_hydrargyrum", "title": "hydrargyrum", "shelf": "dictionary", "surface": "secular", "snippet": "hydrargyrum: (noun) a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures — syn: mercury, quicksilver, Hg, atomic number 80", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_word_atomic_number_80", "title": "atomic number 80", "shelf": "dictionary", "surface": "secular", "snippet": "atomic number 80: (noun) a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures — syn: mercury, quicksilver, hydrargyrum, Hg", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_word_quicksilver", "title": "quicksilver", "shelf": "dictionary", "surface": "secular", "snippet": "quicksilver: (noun) a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures — syn: mercury, hydrargyrum, Hg, atomic number 80 · (adjective", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_etym_bard", "title": "bard", "shelf": "etymology", "surface": "secular", "snippet": "bard: etymology (Webster 1913) — n.: [Of Celtic origin; cf. W. bardd, Arm. barz, Ir. & Gael. bard, and F. barde.]; n.: [Akin to Dan. & Sw. bark, Icel. börkr, LG. & HG. borke.]. From Webster's Revised ", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_etym_brawn", "title": "brawn", "shelf": "etymology", "surface": "secular", "snippet": "brawn: etymology (Webster 1913) — n.: [OF. braon fleshy part, muscle, fr. HG. br flesh, G. braten roast meat; akin to Icel. br flesh, food of beasts, AS. brbr to roast, G. braten, and possibly to E. b", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_etym_sow", "title": "sow", "shelf": "etymology", "surface": "secular", "snippet": "sow: etymology (Webster 1913) — n.: [OE. sowe, suwe, AS. sugu, akin to su, D. zog, zeug, OHG. su, G. sau, Icel. syr, Dan. so, Sw. sugga, so, L. sus. Gr. \"y^s, sy^s, Zend. hu boar; probably from the ro", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_theory_vsepr_theory", "title": "VSEPR theory (molecular geometry)", "shelf": "theories", "surface": "secular", "snippet": "VSEPR theory (molecular geometry) — an engine domain that can touch it: molecular_geometry. Calibration: seals — shapes and bond angles predict directly. Valence Shell Electron Pair Repulsion: electro", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_src_etym_dissolution", "title": "dissolution", "shelf": "etymology", "surface": "secular", "snippet": "dissolution: etymology (Webster 1913) — n.: [OE. dissolucioun dissoluteness, F. dissolution, fr. L. dissolutio, fr. dissolvere. See Dissolve.]. From Webster's Revised Unabridged Dictionary (1913), pub", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_span_edf3b9c81714", "title": "When the liquid will drop in a continuous thread from the stirrer", "shelf": "sources", "surface": "secular", "snippet": "When  the  liquid  will  drop  in  a  continuous  thread  from \nthe  stirrer,  and  jellifies  on  cooling,  it  is  ready  for  the \n^^  cutting\"  process.  This  consists  in  throwing  in  salt  by", "authority_tier": "primary_pd", "source": "A treatise on chemistry applied to the manufacture of soap and candles; being a thorough exposition, in all their minuti", "readable": true, "generated": false}, {"id": "card_alm_assessment_popper_falsifiability_is_the_method", "title": "Almanac: Falsifiability -- a theory must forbid something; the fork -- demarcation over-applied banishes the metaphysics it cannot test", "shelf": "almanac", "surface": "secular", "snippet": "SITUATION\n  THE KERNEL: Popper got the deep thing right, and it is the engine's own heartbeat. A claim with content forbids something; it sticks its neck out; it can be refuted by a single counterexam", "authority_tier": "reference", "source": "The Almanac — verified-only practical wisdom (sealed)", "readable": false, "generated": false}, {"id": "card_domchk_periodic_table_claimed_atomic_number", "title": "Periodic Table: atomic number", "shelf": "periodic_table", "surface": "secular", "snippet": "A worked check in periodic table: atomic number.\n\nGIVEN\n  symbol = Fe\n\nCLAIMED\n  claimed_atomic_number = 26\n\nTHE ENGINE'S VERDICT\n  periodic_table.element: CONFIRMED — Fe (iron, Z=26) — definitional c", "authority_tier": "reference", "source": "The verifier's own documented relation, and a run this engine performed against it (deterministic; re-runnable with tools/domain_goldens.py)", "readable": false, "generated": false}, {"id": "card_theory_periodic_law", "title": "Periodic law (Mendeleev)", "shelf": "theories", "surface": "secular", "snippet": "Periodic law (Mendeleev) — an engine domain that can touch it: periodic_table. Calibration: seals — element properties and group trends look up and compute. Arrange elements by atomic number and their", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_dalton_s_atomic_theory", "title": "Dalton's atomic theory", "shelf": "theories", "surface": "secular", "snippet": "Dalton's atomic theory — an engine domain that can touch it: chemistry. Calibration: partial — mass ratios verify. Matter is made of indivisible atoms; all atoms of an element share a mass; compounds ", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_bohr_quantum_model_of_the_atom", "title": "Bohr / quantum model of the atom", "shelf": "theories", "surface": "secular", "snippet": "Bohr / quantum model of the atom — an engine domain that can touch it: atomic. Calibration: seals — energy levels and shell capacities compute. Electrons occupy discrete orbits with QUANTISED energies", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_pauli_exclusion_principle", "title": "Pauli exclusion principle", "shelf": "theories", "surface": "secular", "snippet": "Pauli exclusion principle — an engine domain that can touch it: atomic. Calibration: seals — electron configurations and shell capacities compute. No two identical fermions may occupy the same quantum", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}], "house": {"door": "FIND", "kind": "cards", "trail": "results", "seal": null, "next_step": {"do": "open the top card", "door": "FIND", "tool": "card_get", "params": {"id": "card_ref_el_080"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}