{
  "id": "3efe9fcf-33ef-53ad-88a7-ab5bd3904f72",
  "slug": "s1-2-the-nuclear-atom",
  "title": "S1.2 The nuclear atom",
  "course": "IB Chemistry",
  "level": "SL",
  "syllabusCode": "S1.2",
  "questionCount": 14,
  "page": "https://splycr.com/ib-chemistry/s1-2-the-nuclear-atom",
  "data": "https://splycr.com/library/s1-2-the-nuclear-atom.json",
  "play": "https://splycr.com/?set=3efe9fcf-33ef-53ad-88a7-ab5bd3904f72",
  "section": {
    "name": "Structure 1: Models of the particulate nature of matter",
    "page": "https://splycr.com/ib-chemistry/models-of-the-particulate-nature-of-matter"
  },
  "source": {
    "name": "Biology by Bradford",
    "href": "https://www.biologybybradford.com",
    "note": "Written for the splycr library by Biology by Bradford."
  },
  "questions": [
    {
      "number": 1,
      "question": "Relative mass of an electron, taking a proton's as 1?",
      "answer": "5 × 10⁻⁴",
      "wrongOptions": [
        "5 × 10⁻²",
        "1",
        "2 × 10³"
      ]
    },
    {
      "number": 2,
      "question": "Neutrons in ³⁷Cl (Z = 17)?",
      "answer": "20",
      "wrongOptions": [
        "17",
        "37",
        "54"
      ]
    },
    {
      "number": 3,
      "question": "Electrons in ³²S²⁻ (Z = 16)?",
      "answer": "18",
      "wrongOptions": [
        "16",
        "14",
        "34"
      ]
    },
    {
      "number": 4,
      "question": "Species with 12 protons, 12 neutrons and 10 electrons?",
      "answer": "²⁴Mg²⁺",
      "wrongOptions": [
        "²⁴Mg",
        "²⁴Na⁺",
        "¹²Mg²⁺"
      ]
    },
    {
      "number": 5,
      "question": "Atoms with the same proton number but different neutron numbers?",
      "answer": "Isotopes",
      "wrongOptions": [
        "Isomers",
        "Allotropes",
        "Isotones"
      ]
    },
    {
      "number": 6,
      "question": "Species with the same number of electrons, such as Na⁺ and F⁻?",
      "answer": "Isoelectronic",
      "wrongOptions": [
        "Isotopic",
        "Isomeric",
        "Amphiprotic"
      ]
    },
    {
      "number": 7,
      "question": "Collective name for protons and neutrons?",
      "answer": "Nucleons",
      "wrongOptions": [
        "Nuclides",
        "Isotopes",
        "Leptons"
      ]
    },
    {
      "number": 8,
      "question": "Symbol for the mass number in nuclear notation?",
      "answer": "A",
      "wrongOptions": [
        "Z",
        "N",
        "M"
      ]
    },
    {
      "number": 9,
      "question": "Isotope used as the standard for relative atomic masses?",
      "answer": "Carbon-12",
      "wrongOptions": [
        "Carbon-14",
        "Hydrogen-1",
        "Oxygen-16"
      ]
    },
    {
      "number": 10,
      "question": "Why do isotopes of an element have identical chemical properties?",
      "answer": "Same electron configuration",
      "wrongOptions": [
        "Same mass number",
        "Same neutron number",
        "Same nuclear mass"
      ]
    },
    {
      "number": 11,
      "question": "Ar of chlorine with 75% ³⁵Cl and 25% ³⁷Cl?",
      "answer": "35.5",
      "wrongOptions": [
        "36.0",
        "35.0",
        "36.5"
      ]
    },
    {
      "number": 12,
      "question": "Ar of boron with 20% ¹⁰B and 80% ¹¹B?",
      "answer": "10.8",
      "wrongOptions": [
        "10.2",
        "10.5",
        "11.2"
      ]
    },
    {
      "number": 13,
      "question": "Instrument that measures the relative abundance of each isotope of an element?",
      "answer": "Mass spectrometer",
      "wrongOptions": [
        "IR spectrometer",
        "Colorimeter",
        "NMR spectrometer"
      ]
    },
    {
      "number": 14,
      "question": "On a mass spectrum, the horizontal axis shows…?",
      "answer": "Mass-to-charge ratio",
      "wrongOptions": [
        "Relative abundance",
        "Atomic number",
        "Wavenumber"
      ]
    }
  ]
}