{"query": "Mercury (Hg) — element 80", "count": 20, "results": [{"id": "card_ref_el_080", "title": "Mercury (Hg) — element 80", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 80. Symbol Hg. Standard atomic weight 200.592. The mercury atom carries 80 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_nuclide_hg_210", "title": "Hg-210 — hg-210", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-210: 80 protons, 130 neutrons, mass number A=210. Unstable. Atomic mass 209.994310 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_196", "title": "Hg-196 — hg-196", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-196: 80 protons, 116 neutrons, mass number A=196. Stable. Natural abundance 0.0015. Atomic mass 195.965833 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_198", "title": "Hg-198 — hg-198", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-198: 80 protons, 118 neutrons, mass number A=198. Stable. Natural abundance 0.10039999999999999. Atomic mass 197.966769 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_199", "title": "Hg-199 — hg-199", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-199: 80 protons, 119 neutrons, mass number A=199. Stable. Natural abundance 0.16940000000000002. Atomic mass 198.968281 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_200", "title": "Hg-200 — hg-200", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-200: 80 protons, 120 neutrons, mass number A=200. Stable. Natural abundance 0.2314. Atomic mass 199.968327 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_201", "title": "Hg-201 — hg-201", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-201: 80 protons, 121 neutrons, mass number A=201. Stable. Natural abundance 0.1317. Atomic mass 200.970303 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_202", "title": "Hg-202 — hg-202", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-202: 80 protons, 122 neutrons, mass number A=202. Stable. Natural abundance 0.2974. Atomic mass 201.970644 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_204", "title": "Hg-204 — hg-204", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-204: 80 protons, 124 neutrons, mass number A=204. Stable. Natural abundance 0.0682. Atomic mass 203.973494 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_212", "title": "Hg-212 — hg-212", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-212: 80 protons, 132 neutrons, mass number A=212. Unstable. Primary decay: B- 1%. Atomic mass 212.003242 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_213", "title": "Hg-213 — hg-213", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-213: 80 protons, 133 neutrons, mass number A=213. Unstable. Primary decay: B- 1%. Atomic mass 213.008803 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_214", "title": "Hg-214 — hg-214", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-214: 80 protons, 134 neutrons, mass number A=214. Unstable. Primary decay: B- 1%. Atomic mass 214.012636 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_215", "title": "Hg-215 — hg-215", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-215: 80 protons, 135 neutrons, mass number A=215. Unstable. Primary decay: B- 1%. Atomic mass 215.018368 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_170", "title": "Hg-170 — hg-170", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-170: 80 protons, 90 neutrons, mass number A=170. Half-life 8e-05 s. Primary decay: A 1%. Atomic mass 170.005814 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_171", "title": "Hg-171 — hg-171", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-171: 80 protons, 91 neutrons, mass number A=171. Half-life 5.9e-05 s. Primary decay: A 1%. Atomic mass 171.003585 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_172", "title": "Hg-172 — hg-172", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-172: 80 protons, 92 neutrons, mass number A=172. Half-life 0.000231 s. Primary decay: A 1%. Atomic mass 171.998861 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_173", "title": "Hg-173 — hg-173", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-173: 80 protons, 93 neutrons, mass number A=173. Half-life 0.0008 s. Primary decay: A 1%. Atomic mass 172.997143 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_174", "title": "Hg-174 — hg-174", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-174: 80 protons, 94 neutrons, mass number A=174. Half-life 0.0021 s. Primary decay: A 0.996%. Atomic mass 173.992871 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_175", "title": "Hg-175 — hg-175", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-175: 80 protons, 95 neutrons, mass number A=175. Half-life 0.0106 s. Primary decay: A 1%. Atomic mass 174.991444 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_hg_176", "title": "Hg-176 — hg-176", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Hg-176: 80 protons, 96 neutrons, mass number A=176. Half-life 0.0203 s. Primary decay: A 0.94%. Atomic mass 175.987349 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}]}