{
  "version": "2026.05",
  "scope": "Atomency classroom chemistry species pack",
  "confidence": "classroom model",
  "species": [
    { "id": "H2O", "name": "water", "formula": "H2O", "type": "solvent", "state": "liquid", "color": "clear" },
    { "id": "H+", "name": "hydrogen ion", "formula": "H+", "type": "aqueous ion", "charge": 1 },
    { "id": "OH-", "name": "hydroxide ion", "formula": "OH-", "type": "aqueous ion", "charge": -1 },
    { "id": "Na+", "name": "sodium ion", "formula": "Na+", "type": "aqueous ion", "charge": 1 },
    { "id": "K+", "name": "potassium ion", "formula": "K+", "type": "aqueous ion", "charge": 1 },
    { "id": "Li+", "name": "lithium ion", "formula": "Li+", "type": "aqueous ion", "charge": 1 },
    { "id": "Ca2+", "name": "calcium ion", "formula": "Ca2+", "type": "aqueous ion", "charge": 2 },
    { "id": "Ag+", "name": "silver ion", "formula": "Ag+", "type": "aqueous ion", "charge": 1 },
    { "id": "Pb2+", "name": "lead(II) ion", "formula": "Pb2+", "type": "aqueous ion", "charge": 2 },
    { "id": "Fe2+", "name": "iron(II) ion", "formula": "Fe2+", "type": "aqueous ion", "charge": 2, "color": "pale green" },
    { "id": "Fe3+", "name": "iron(III) ion", "formula": "Fe3+", "type": "aqueous ion", "charge": 3, "color": "yellow-brown" },
    { "id": "Cu2+", "name": "copper(II) ion", "formula": "Cu2+", "type": "aqueous ion", "charge": 2, "color": "blue" },
    { "id": "MnO4-", "name": "permanganate ion", "formula": "MnO4-", "type": "aqueous ion", "charge": -1, "color": "purple" },
    { "id": "Cl-", "name": "chloride ion", "formula": "Cl-", "type": "aqueous ion", "charge": -1 },
    { "id": "NO3-", "name": "nitrate ion", "formula": "NO3-", "type": "aqueous ion", "charge": -1 },
    { "id": "I-", "name": "iodide ion", "formula": "I-", "type": "aqueous ion", "charge": -1 },
    { "id": "CO3^2-", "name": "carbonate ion", "formula": "CO3^2-", "type": "aqueous ion", "charge": -2 },
    { "id": "HCO3-", "name": "bicarbonate ion", "formula": "HCO3-", "type": "aqueous ion", "charge": -1 },
    { "id": "SO4^2-", "name": "sulfate ion", "formula": "SO4^2-", "type": "aqueous ion", "charge": -2 },
    { "id": "CH3COOH", "name": "acetic acid", "formula": "CH3COOH", "type": "weak acid" },
    { "id": "CH3COO-", "name": "acetate ion", "formula": "CH3COO-", "type": "conjugate base", "charge": -1 },
    { "id": "NH3", "name": "ammonia", "formula": "NH3", "type": "weak base" },
    { "id": "NH4+", "name": "ammonium ion", "formula": "NH4+", "type": "conjugate acid", "charge": 1 },
    { "id": "CO2(g)", "name": "carbon dioxide gas", "formula": "CO2", "type": "gas product" },
    { "id": "AgCl(s)", "name": "silver chloride", "formula": "AgCl", "type": "precipitate", "color": "white" },
    { "id": "PbI2(s)", "name": "lead(II) iodide", "formula": "PbI2", "type": "precipitate", "color": "yellow" },
    { "id": "CaCO3(s)", "name": "calcium carbonate", "formula": "CaCO3", "type": "precipitate", "color": "white" }
  ],
  "sourceNotes": [
    "Names and classifications are bundled for classroom review.",
    "This pack is not a clinical, industrial, or hazardous-material reference."
  ]
}