{"query": "Zinc (Zn) — element 30", "count": 20, "results": [{"id": "card_ref_el_030", "title": "Zinc (Zn) — element 30", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 30. Symbol Zn. Standard atomic weight 65.38. The zinc atom carries 30 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", "readable": false, "generated": false}, {"id": "card_src_word_zn", "title": "zn", "shelf": "dictionary", "surface": "secular", "snippet": "zn: (noun) a bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide variety of alloys and in galvanizing iron; it occurs naturally as zinc s", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_54", "title": "Zn-54 — zn-54", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-54: 30 protons, 24 neutrons, mass number A=54. Half-life 0.00159 s. Primary decay: 2P 0.92%. Atomic mass 53.993879 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_69", "title": "Zn-69 — zn-69", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-69: 30 protons, 39 neutrons, mass number A=69. Half-life 3384.0 s. Primary decay: B- 1%. Atomic mass 68.926550 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_71", "title": "Zn-71 — zn-71", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-71: 30 protons, 41 neutrons, mass number A=71. Half-life 145.2 s. Primary decay: B- 1%. Atomic mass 70.927720 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_72", "title": "Zn-72 — zn-72", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-72: 30 protons, 42 neutrons, mass number A=72. Half-life 167400.0 s. Primary decay: B- 1%. Atomic mass 71.926843 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_73", "title": "Zn-73 — zn-73", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-73: 30 protons, 43 neutrons, mass number A=73. Half-life 24.5 s. Primary decay: B- 1%. Atomic mass 72.929583 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_74", "title": "Zn-74 — zn-74", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-74: 30 protons, 44 neutrons, mass number A=74. Half-life 95.6 s. Primary decay: B- 1%. Atomic mass 73.929407 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_75", "title": "Zn-75 — zn-75", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-75: 30 protons, 45 neutrons, mass number A=75. Half-life 10.2 s. Primary decay: B- 1%. Atomic mass 74.932840 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_76", "title": "Zn-76 — zn-76", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-76: 30 protons, 46 neutrons, mass number A=76. Half-life 5.7 s. Primary decay: B- 1%. Atomic mass 75.933115 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_77", "title": "Zn-77 — zn-77", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-77: 30 protons, 47 neutrons, mass number A=77. Half-life 2.08 s. Primary decay: B- 1%. Atomic mass 76.936887 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_78", "title": "Zn-78 — zn-78", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-78: 30 protons, 48 neutrons, mass number A=78. Half-life 1.47 s. Primary decay: B- 1%. Atomic mass 77.938289 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_79", "title": "Zn-79 — zn-79", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-79: 30 protons, 49 neutrons, mass number A=79. Half-life 0.746 s. Primary decay: B- 1%. Atomic mass 78.942638 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_80", "title": "Zn-80 — zn-80", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-80: 30 protons, 50 neutrons, mass number A=80. Half-life 0.5619 s. Primary decay: B- 1%. Atomic mass 79.944553 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_81", "title": "Zn-81 — zn-81", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-81: 30 protons, 51 neutrons, mass number A=81. Half-life 0.32 s. Primary decay: B- 1%. Atomic mass 80.950403 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_82", "title": "Zn-82 — zn-82", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-82: 30 protons, 52 neutrons, mass number A=82. Half-life 0.166 s. Primary decay: B- 1%. Atomic mass 81.954574 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_83", "title": "Zn-83 — zn-83", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-83: 30 protons, 53 neutrons, mass number A=83. Half-life 0.117 s. Primary decay: B- 1%. Atomic mass 82.961041 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_84", "title": "Zn-84 — zn-84", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-84: 30 protons, 54 neutrons, mass number A=84. Half-life 0.0536 s. Primary decay: B- 1%. Atomic mass 83.965829 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_85", "title": "Zn-85 — zn-85", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-85: 30 protons, 55 neutrons, mass number A=85. Half-life 6.37e-07 s. Primary decay: B-2N. Atomic mass 84.973054 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}, {"id": "card_src_nuclide_zn_55", "title": "Zn-55 — zn-55", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-55: 30 protons, 25 neutrons, mass number A=55. Half-life 0.0198 s. Primary decay: EC+B+ 1%. Atomic mass 54.984681 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "readable": false, "generated": false}]}