{"query": "Einsteinium (Es) — element 99", "count": 5, "results": [{"id": "card_ref_el_099", "title": "Einsteinium (Es) — element 99", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 99. Symbol Es. Standard atomic weight 252.0. The einsteinium atom carries 99 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_einsteinium", "title": "einsteinium", "shelf": "dictionary", "surface": "secular", "snippet": "einsteinium: (noun) a radioactive transuranic element produced by bombarding plutonium with neutrons — syn: Es, E, atomic number 99", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_es", "title": "es", "shelf": "dictionary", "surface": "secular", "snippet": "es: (noun) a radioactive transuranic element produced by bombarding plutonium with neutrons — syn: einsteinium, E, atomic number 99", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_atomic_number_99", "title": "atomic number 99", "shelf": "dictionary", "surface": "secular", "snippet": "atomic number 99: (noun) a radioactive transuranic element produced by bombarding plutonium with neutrons — syn: einsteinium, Es, E", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_e", "title": "e", "shelf": "dictionary", "surface": "secular", "snippet": "e: (noun) a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body — syn: vitamin E, tocopherol · (noun) a radioactive trans", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}]}