{"query": "Phosphorus (P) — element 15", "count": 20, "results": [{"id": "card_ref_el_015", "title": "Phosphorus (P) — element 15", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 15. Symbol P. Standard atomic weight 30.973761998. The phosphorus atom carries 15 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_law_of_the_minimum", "title": "Liebig's law of the minimum (what actually limits growth)", "shelf": "theories", "surface": "secular", "snippet": "Liebig's law of the minimum (what actually limits growth) — an engine domain that can touch it: soil_science. Calibration: seals — nutrient ratios and deficiency thresholds compute. 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The morning star; Phosphor. 2. (Chem.) Defn: A poisonous nonmetallic element of the nitrogen group, obtained as a white, or yel", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_word_p", "title": "p", "shelf": "dictionary", "surface": "secular", "snippet": "p: (noun) a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in sev", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_etym_phospham", "title": "phospham", "shelf": "etymology", "surface": "secular", "snippet": "phospham: etymology (Webster 1913) — n.: [Phosphorus + ammonia.]. 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_phosphonium", "title": "phosphonium", "shelf": "etymology", "surface": "secular", "snippet": "phosphonium: etymology (Webster 1913) — n.: [Phosphorus + ammonium.]. 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_phosphoroscope", "title": "phosphoroscope", "shelf": "etymology", "surface": "secular", "snippet": "phosphoroscope: etymology (Webster 1913) — n.: [Phosphorus + -scope.]. 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_phosphoryl", "title": "phosphoryl", "shelf": "etymology", "surface": "secular", "snippet": "phosphoryl: etymology (Webster 1913) — n.: [Phosphorus + -yl.]. 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_phosphorogenic", "title": "phosphorogenic", "shelf": "etymology", "surface": "secular", "snippet": "phosphorogenic: etymology (Webster 1913) — a.: [Phosphorus + -gen + -ic.]. 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_phosphor", "title": "phosphor", "shelf": "etymology", "surface": "secular", "snippet": "phosphor: etymology (Webster 1913) — n.: [Cf. G. phosphor. See Phosphorus.]. 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_cacoxene_cacoxenite", "title": "cacoxene; cacoxenite", "shelf": "etymology", "surface": "secular", "snippet": "cacoxene; cacoxenite: etymology (Webster 1913) — n.: [Gr. (Min.) Defn: A hydrous phosphate of iron occurring in yellow radiated tufts. The phosphorus seriously injures it as an iron ore.]. From Webste", "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}], "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_015"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}