{"query": "Yttrium (Y) — element 39", "count": 20, "results": [{"id": "card_ref_el_039", "title": "Yttrium (Y) — element 39", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 39. Symbol Y. Standard atomic weight 88.90584. The yttrium atom carries 39 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_word_atomic_number_39", "title": "atomic number 39", "shelf": "dictionary", "surface": "secular", "snippet": "atomic number 39: (noun) a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys — syn: yttrium, Y", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_word_yttrium", "title": "yttrium", "shelf": "dictionary", "surface": "secular", "snippet": "yttrium: (noun) a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys — syn: Y, atomic number 39", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_etym_yttrium", "title": "yttrium", "shelf": "etymology", "surface": "secular", "snippet": "yttrium: etymology (Webster 1913) — n.: [NL., from Ytterby, in Sweden. See Erbium.]. From Webster's Revised Unabridged Dictionary (1913), public domain.", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_word_y", "title": "y", "shelf": "dictionary", "surface": "secular", "snippet": "y: (noun) a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys — syn: yttrium, atomic number 39 · (noun) the 25th letter of the Roman alphabet — syn:", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_etym_yttria", "title": "yttria", "shelf": "etymology", "surface": "secular", "snippet": "yttria: etymology (Webster 1913) — n.: [NL. See Yttrium.]. From Webster's Revised Unabridged Dictionary (1913), public domain.", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_etym_erbium", "title": "erbium", "shelf": "etymology", "surface": "secular", "snippet": "erbium: etymology (Webster 1913) — n.: [NL. from Ytterby, in Sweden, where gadolinite is found. Cf. Terbium, Yttrium, Ytterbium.]. From Webster's Revised Unabridged Dictionary (1913), public domain.", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_etym_euxenite", "title": "euxenite", "shelf": "etymology", "surface": "secular", "snippet": "euxenite: etymology (Webster 1913) — n.: [Gr. (Min.) Defn: A brownish black mineral with a metallic luster, found in Norway. It contains niobium, titanium, yttrium, and uranium, with some other metals", "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_pron_dissolves", "title": "dissolves", "shelf": "pronunciation", "surface": "secular", "snippet": "dissolves: pronounced (ARPABET) D IH0 Z AA1 L V Z. 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", "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_src_openstax_principles_financial_accounting_15_5_discuss_and_record_entries_for_the__14823edd", "title": "15.5 Discuss and Record Entries for the Dissolution of a Partnership — Principles of Accounting, Volume 1: Financial Accounting", "shelf": "economics", "surface": "secular", "snippet": "15.5\n\nDiscuss and Record Entries for the Dissolution of a Partnership\n\nPartnerships dissolve. Sometime the decision is made to close the business. Sometimes there is a bankruptcy. Partner negligence, ", "authority_tier": "reference", "source": "OpenStax: Principles of Accounting, Volume 1: Financial Accounting (CC-BY 4.0)", "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_v_958fb7e1a9f3", "title": "the atomic number of iron is 27", "shelf": "periodic_table", "surface": "secular", "snippet": "Verdict: BROKEN.\n• periodic_table.element: atomic number: actual Z=26, claimed 27\nSealed and independently re-checkable: https://narrowhighway.org/s/65b79ffaa798ac353aec0354578cd3708c4fc364b8437fe180f", "authority_tier": "engine", "source": "Verified by the engine — periodic_table", "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_v_cfe8a0172379", "title": "iron has atomic number 26", "shelf": "periodic_table", "surface": "secular", "snippet": "Verdict: HOLDS.\n• periodic_table.element: Fe (iron, Z=26) — definitional claims match\nSealed and independently re-checkable: https://narrowhighway.org/s/9792f17e8050600544197d45e971850ecc493007e97a445", "authority_tier": "engine", "source": "Verified by the engine — periodic_table", "readable": false, "generated": false}, {"id": "card_v_0f89b0d17c5f", "title": "the atomic number of iron is 26", "shelf": "periodic_table", "surface": "secular", "snippet": "Verdict: HOLDS.\n• periodic_table.element: Fe (iron, Z=26) — definitional claims match\nSealed and independently re-checkable: https://narrowhighway.org/s/16aac96d5db9f4076e2c24c6c4511f621cd9c6baa85b547", "authority_tier": "engine", "source": "Verified by the engine — periodic_table", "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_039"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}