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Cards In This Set
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In ionic bonding, metals either
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lose their electrons and become cations OR gain other electrons and become anions
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The 7 diatomic molecules
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Hydrogen, Nitrogen, Oxygen, Fluorine, Chlorine, Bromine, and Iodine
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`What is bond energy?
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The energy required to break a chemical bond & form neutral isolated atoms
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Why do atoms form compounds? (3)
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1) To increase stability 2) to fill their valence shell 3) to decrease potential energy
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What type of bonding results in partial charges on the atoms?
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Polar covalent
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When a molecule is most stable the repulsive forces and attractive forces are...
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Equal to each other
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What type of bonding involves the sharing of valence electrons
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Covalent bonding
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The duet rule applies to
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The first 5 elements (Hydrogen, Helium, Lithium, Beryllium, and Boron)
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As bond length increases, bond energy
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Decreases
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How many electrons are shared in a triple covalent bond?
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6 electrons
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Multiple covalent bonds may occur in compounds that contain carbon, nitrogen, or
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Oxygen
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What type of ion does sulfur typically form?
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-2
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What AXE stands for
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A = # of central atoms (always 1)X = # of attached atomsE = # of lone pairs on the central atom
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Sulfur (2.5) - Hydrogen (2.1) results
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= .4 so polar covalent, with sulfur the partial negative
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A molecule is a
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Neutral group of atoms that are held by covalent bonds
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