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12 Cards in this Set
- Front
- Back
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Law of Constant Composition
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All samples of a given compound have the same proportion of their constituent element.
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7 Elements which are found in nature as a Diatomic Molecules
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Hydrogen, Nitrogen, Oxygen, Fluorine, Bromine, and Iodine.
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Atomic Element
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Exist in nature with single atoms as their basic unit Ex. Helium, Copper, Mecury |
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Molecular Compound
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Are compounds formed by two or more nonmetals. Ex. H2O, Dry Ice |
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Ionic Compounds
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Contains one or more cations paired with one or more anions in most cases cations are metals and anions are nonmetals.
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Polyatomic Ions
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Group of atoms held together with covalent bond (shared electrons) that have a charge. |
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Ammonium
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NH4+ |
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Carbonate
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CO3 2-
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Hydroxide
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OH-
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Nitrate
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NO3-
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Phosphate
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PO4 3-
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Sulfate
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SO4 2-
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