{"query": "Oganesson (Og) — element 118", "count": 1, "results": [{"id": "card_ref_el_118", "title": "Oganesson (Og) — element 118", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 118. Symbol Og. Standard atomic weight 294.0. The oganesson atom carries 118 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}]}