{"query": "Roentgenium (Rg) — element 111", "count": 5, "results": [{"id": "card_ref_el_111", "title": "Roentgenium (Rg) — element 111", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 111. Symbol Rg. Standard atomic weight 282.0. The roentgenium atom carries 111 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_roentgenium", "title": "roentgenium", "shelf": "dictionary", "surface": "secular", "snippet": "roentgenium: (noun) a radioactive transuranic element — syn: Rg, element 111, atomic number 111", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_rg", "title": "rg", "shelf": "dictionary", "surface": "secular", "snippet": "rg: (noun) a radioactive transuranic element — syn: roentgenium, element 111, atomic number 111", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_element_111", "title": "element 111", "shelf": "dictionary", "surface": "secular", "snippet": "element 111: (noun) a radioactive transuranic element — syn: roentgenium, Rg, atomic number 111", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_atomic_number_111", "title": "atomic number 111", "shelf": "dictionary", "surface": "secular", "snippet": "atomic number 111: (noun) a radioactive transuranic element — syn: roentgenium, Rg, element 111", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}]}