{"query": "Meitnerium (Mt) — element 109", "count": 5, "results": [{"id": "card_ref_el_109", "title": "Meitnerium (Mt) — element 109", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 109. Symbol Mt. Standard atomic weight 278.0. The meitnerium atom carries 109 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_meitnerium", "title": "meitnerium", "shelf": "dictionary", "surface": "secular", "snippet": "meitnerium: (noun) a radioactive transuranic element — syn: Mt, element 109, atomic number 109", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_mt", "title": "mt", "shelf": "dictionary", "surface": "secular", "snippet": "mt: (noun) a radioactive transuranic element — syn: meitnerium, element 109, atomic number 109 · (noun) a unit of weight equivalent to 1000 kilograms — syn: metric ton, tonne, t · (noun) a state in no", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_element_109", "title": "element 109", "shelf": "dictionary", "surface": "secular", "snippet": "element 109: (noun) a radioactive transuranic element — syn: meitnerium, Mt, atomic number 109", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_atomic_number_109", "title": "atomic number 109", "shelf": "dictionary", "surface": "secular", "snippet": "atomic number 109: (noun) a radioactive transuranic element — syn: meitnerium, Mt, element 109", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}]}