{"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", "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)", "generated": false}, {"id": "card_src_nuclide_zn_64", "title": "Zn-64 — zn-64", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-64: 30 protons, 34 neutrons, mass number A=64. Stable. Natural abundance 0.4917. Atomic mass 63.929142 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_zn_66", "title": "Zn-66 — zn-66", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-66: 30 protons, 36 neutrons, mass number A=66. Stable. Natural abundance 0.2773. Atomic mass 65.926034 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_zn_67", "title": "Zn-67 — zn-67", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-67: 30 protons, 37 neutrons, mass number A=67. Stable. Natural abundance 0.0404. Atomic mass 66.927127 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "generated": false}, {"id": "card_src_nuclide_zn_68", "title": "Zn-68 — zn-68", "shelf": "nuclear_physics", "surface": "secular", "snippet": "Nuclide Zn-68: 30 protons, 38 neutrons, mass number A=68. Stable. Natural abundance 0.1845. Atomic mass 67.924844 u.", "authority_tier": "reference", "source": "NNDC / AME nuclide data (public domain)", "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)", "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)", "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)", "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)", "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)", "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)", "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)", "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)", "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)", "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)", "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)", "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)", "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)", "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)", "generated": false}]}