{"query": "Argon (Ar) — element 18", "count": 5, "results": [{"id": "card_ref_el_018", "title": "Argon (Ar) — element 18", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 18. Symbol Ar. Standard atomic weight 39.948. The argon atom carries 18 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", "generated": false}, {"id": "card_src_word_potassium_argon_dating", "title": "potassium-argon dating", "shelf": "dictionary", "surface": "secular", "snippet": "potassium-argon dating: (noun) geological dating that relies on the proportions of radioactive potassium in a rock sample and its decay product, argon", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_argon", "title": "argon", "shelf": "dictionary", "surface": "secular", "snippet": "argon: (noun) a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere — syn: Ar, atomic number 18", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_pron_argon", "title": "argon", "shelf": "pronunciation", "surface": "secular", "snippet": "argon: pronounced (ARPABET) AA1 R G AA2 N. 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", "generated": false}, {"id": "card_src_rfc_9106", "title": "RFC9106 — Argon2 Memory-Hard Function for Password Hashing and Proof-of-Work Applications", "shelf": "rfcs", "surface": "secular", "snippet": "RFC9106: Argon2 Memory-Hard Function for Password Hashing and Proof-of-Work Applications (September 2021). Status: INFORMATIONAL.", "authority_tier": "reference", "source": "The RFC Index (RFC Editor / IETF) — public domain", "generated": false}]}