0.1 Atoms, Ions, and Molecules (Solution)

1. Please identify each of the following as an atom, an element, an ion, a molecule, or a compound:

  • A. H2O
  • B. NH4+
  • C. NH3
  • D. H2
  • E. C6H12O6

  • A. H3O+
  • B. F
  • C. Na
  • D. Ar
  • E. O22–

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A: molecule, compound; B: ion; C: molecule, compound; D: molecule; E: molecule, compound; F: ion; G: ion; H: element; I: element; J: ion