{
  "id": "793ef6fc-cf38-562d-956d-42cf3b238eca",
  "slug": "s2-1-the-ionic-model",
  "title": "S2.1 The ionic model",
  "course": "IB Chemistry",
  "level": "SL",
  "syllabusCode": "S2.1",
  "questionCount": 14,
  "page": "https://splycr.com/ib-chemistry/s2-1-the-ionic-model",
  "data": "https://splycr.com/library/s2-1-the-ionic-model.json",
  "play": "https://splycr.com/?set=793ef6fc-cf38-562d-956d-42cf3b238eca",
  "section": {
    "name": "Structure 2: Models of bonding and structure",
    "page": "https://splycr.com/ib-chemistry/models-of-bonding-and-structure"
  },
  "source": {
    "name": "Biology by Bradford",
    "href": "https://www.biologybybradford.com",
    "note": "Written for the splycr library by Biology by Bradford."
  },
  "questions": [
    {
      "number": 1,
      "question": "Ion formed when an atom loses electrons?",
      "answer": "Cation",
      "wrongOptions": [
        "Anion",
        "Isotope",
        "Radical"
      ]
    },
    {
      "number": 2,
      "question": "Charge on the ion formed by a group 16 element?",
      "answer": "2−",
      "wrongOptions": [
        "2+",
        "6+",
        "6−"
      ]
    },
    {
      "number": 3,
      "question": "Electrostatic attraction between oppositely charged ions?",
      "answer": "Ionic bond",
      "wrongOptions": [
        "Covalent bond",
        "Metallic bond",
        "Hydrogen bond"
      ]
    },
    {
      "number": 4,
      "question": "Repeating three-dimensional arrangement of ions in a solid ionic compound?",
      "answer": "Lattice",
      "wrongOptions": [
        "Molecule",
        "Monomer",
        "Allotrope"
      ]
    },
    {
      "number": 5,
      "question": "Formula of the nitrate ion?",
      "answer": "NO₃⁻",
      "wrongOptions": [
        "NO₂⁻",
        "NO₃²⁻",
        "NH₄⁺"
      ]
    },
    {
      "number": 6,
      "question": "Formula of the ammonium ion?",
      "answer": "NH₄⁺",
      "wrongOptions": [
        "NH₃⁺",
        "NH₄⁻",
        "NH₂⁻"
      ]
    },
    {
      "number": 7,
      "question": "Formula of the sulfate ion?",
      "answer": "SO₄²⁻",
      "wrongOptions": [
        "SO₃²⁻",
        "SO₄⁻",
        "S²⁻"
      ]
    },
    {
      "number": 8,
      "question": "Formula of the hydrogencarbonate ion?",
      "answer": "HCO₃⁻",
      "wrongOptions": [
        "CO₃²⁻",
        "HCO₃²⁻",
        "H₂CO₃"
      ]
    },
    {
      "number": 9,
      "question": "Formula of aluminium oxide?",
      "answer": "Al₂O₃",
      "wrongOptions": [
        "AlO",
        "Al₃O₂",
        "AlO₃"
      ]
    },
    {
      "number": 10,
      "question": "Formula of calcium phosphate?",
      "answer": "Ca₃(PO₄)₂",
      "wrongOptions": [
        "Ca₂(PO₄)₃",
        "CaPO₄",
        "Ca₃PO₄"
      ]
    },
    {
      "number": 11,
      "question": "Name of Fe₂O₃?",
      "answer": "Iron(III) oxide",
      "wrongOptions": [
        "Iron(II) oxide",
        "Iron(II,III) oxide",
        "Iron(VI) oxide"
      ]
    },
    {
      "number": 12,
      "question": "Ionic compounds conduct electricity only when…?",
      "answer": "Molten or aqueous",
      "wrongOptions": [
        "Solid",
        "Solid or molten",
        "Aqueous only"
      ]
    },
    {
      "number": 13,
      "question": "Ionic compounds have high melting points because of…?",
      "answer": "Strong electrostatic attractions",
      "wrongOptions": [
        "Strong covalent bonds",
        "Weak intermolecular forces",
        "Delocalised electrons"
      ]
    },
    {
      "number": 14,
      "question": "Of these compounds, which has the strongest ionic bonding?",
      "answer": "MgO",
      "wrongOptions": [
        "NaCl",
        "KCl",
        "NaF"
      ]
    }
  ]
}