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33 Cards in this Set
- Front
- Back
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covalent bond
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The additional force of attraction that results from valence electrons being shared between two nuclei. The bond holds molecules together.
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resonance forms
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Valid dot diagrams that differ from one another only in the difference in the arrangement of electrons.
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Phosphate ion
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PO4 3-
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Nitrate
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NO3 -
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Ammonium
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NH4 +
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Carbonate Ion
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CO3 2-
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Electronegativity
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A numerical rating of an atom's ability to attract to itself the shared electrons in a covalent bond.
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polar covalent bond
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a covalent bond in which the electrons are shared unequally
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Ionic bond
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a bond that forms between two ions with a large difference in electronegativity. Usually between a metal and a nonmetal.
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nitride ion
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N3 -
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Sulfide ion
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S 2 -
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Chloride ion
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Cl -
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Oxide ion
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O 2-
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Nitrite ion
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NO2 -
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Sulfite
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SO3 2-
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Chromate ion
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CrO4 2-
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peroxide
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O2 2-
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broken wedge
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behind page
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solid wedge
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in front of page
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polar molecule
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a molecule in which one atom int he molecule is more electronegative (has a negative partial charge) than the other
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Soluble or insoluble? Sodium salts.
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always soluble
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Soluble or insoluble? potassium salts
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always soluble
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Soluble or insoluble? ammonium salts
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always soluble
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Soluble or insoluble? Halides
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soluble except: lead, silver, and mercury
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What types of ions are halides?
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Chlorides, bromides, and iodides
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Soluble or insoluble? Sulfates
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soluble except calcium, barium, lead, and strontium
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Soluble or insoluble? Phosphates
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insoluble except for calcium and salts that are always soluble
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Soluble or insoluble? Hydroxides
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calcium, barium, and other salts that are always soluble
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Soluble or insoluble? carbonates
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insoluble except for calcium and salts that are always soluble
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Soluble or insoluble? sulfides
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insoluble except for calcium and salts that are always soluble
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spectator ions
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ions that do not take part in a chemical reaction
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acid
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any compound that produces H+ ions when added to water
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base
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Any sustance that produces aqueous hydroxide (OH-) when added to water
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