{"query": "Nickel (Ni) — element 28", "count": 20, "results": [{"id": "card_ref_el_028", "title": "Nickel (Ni) — element 28", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 28. Symbol Ni. Standard atomic weight 58.6934. The nickel atom carries 28 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_frd_colombia", "title": "Colombia: A Country Study", "shelf": "countries", "surface": "secular", "snippet": "Natural Resources: Colombia is well endowed with energy resources and minerals, including coal, copper, emeralds, gold, hydropower, iron ore, natural gas, natural nickel, petroleum, platinum, and silv", "authority_tier": "reference", "source": "Colombia: A Country Study — Federal Research Division, Library of Congress (2010) (public domain)", "readable": true, "generated": false}, {"id": "card_pd_8b201c4acef0", "title": "Investigation of boron in armor plate. Influence of variations in boron and nickel on some propertie", "shelf": "sources", "surface": "secular", "snippet": "Investigation of boron in armor plate. Influence of variations in boron and nickel on some properties of experimental steels containing 0.3 \n\nA public-domain source: Library of Congress — http://www.l", "authority_tier": "primary_pd", "source": "Library of Congress", "readable": true, "generated": false}, {"id": "card_src_etym_nickel", "title": "nickel", "shelf": "etymology", "surface": "secular", "snippet": "nickel: etymology (Webster 1913) — n.: [G., fr. Sw. nickel, abbrev. from Sw. kopparnickel copper-nickel, a name given in derision, as it was thought to be a base ore of copper. The origin of the secon", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_word_nickel", "title": "nickel", "shelf": "dictionary", "surface": "secular", "snippet": "nickel: (noun) a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite — syn: Ni, atomic numbe", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_word_ni", "title": "ni", "shelf": "dictionary", "surface": "secular", "snippet": "ni: (noun) a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite — syn: nickel, atomic numbe", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_word_atomic_number_28", "title": "atomic number 28", "shelf": "dictionary", "surface": "secular", "snippet": "atomic number 28: (noun) a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite — syn: nickel", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_etym_nickeliferous", "title": "nickeliferous", "shelf": "etymology", "surface": "secular", "snippet": "nickeliferous: etymology (Webster 1913) — a.: [Nickel + -ferous.]. 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_kupfernickel", "title": "kupfernickel", "shelf": "etymology", "surface": "secular", "snippet": "kupfernickel: etymology (Webster 1913) — n.: [G. See Copper, and Nickel.]. 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_niccolite", "title": "niccolite", "shelf": "etymology", "surface": "secular", "snippet": "niccolite: etymology (Webster 1913) — n.: [from NL. niccolum nickel.]. 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_pimelite", "title": "pimelite", "shelf": "etymology", "surface": "secular", "snippet": "pimelite: etymology (Webster 1913) — n.: [Gr. (Min.) Defn: An apple-green mineral having a greasy feel. It is a hydrous silicate of nickel, magnesia, aluminia, and iron.]. From Webster's Revised Unabr", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_etym_chrysoprase", "title": "chrysoprase", "shelf": "etymology", "surface": "secular", "snippet": "chrysoprase: etymology (Webster 1913) — n.: [OE. crisopace, OF. crisoprace, F. chrysoprase, L. chrysoprasus, fr. Gr. (Min.) Defn: An apple-green variety of chalcedony, colored by nickel. It has a dull", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_etym_electrolysis", "title": "electrolysis", "shelf": "etymology", "surface": "secular", "snippet": "electrolysis: etymology (Webster 1913) — n.: [Electro- + Gr. (Physics & Chem.) Defn: The act or process of chemical decomposition, by the action of electricity; as, the electrolysis of silver or nicke", "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_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}], "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_028"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}