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26 Cards in this Set
- Front
- Back
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Why do atoms form chemical bonds?
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to become stable
unlikely to change full outer energy level |
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Noble Gases
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full outer energy level
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electrons gained
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form anions
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electrons lost
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form cations
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Ionic Bond
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transfer electrons between a metal to nonmetal
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Covalent Bond
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share electrons between two nonmetals
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Diatomic molecule
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molecule containing only two atoms, "-gen" only
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Bond length
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distance from nuclei
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bond energy
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energy needed to break/form a covalent bond
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resonance
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two or more equally valid structures for the same compound
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coordinate covalent Bond
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more than one electron shared by one atom for the octet rule to work
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VSEPR
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repulsion between valence electrons surrounding an atom as far away as possible
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orbital hybridization
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combination of atomic orbitals of similar energies to produce new hybrid atomic orbitals
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sigma bonds
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atom bonds on the overlap Px
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pi bonds
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bond around the overlap Py and Pz
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dipole dipole force
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negitive pole attracted to nearby positive pole
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hydrogen bonding
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Hydrogen atom bonded to electronegative atom attracted to unshared pair from nearby molecule
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London Dispersion Forces
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motion of electrons 》dipoles
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electron sea
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mobile electrons around a metal atom
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non polar covalent
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0 to 0.3, equal bonds
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polar covalent
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0.3 to 1.7
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ionic
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anything above 1.7
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lattice energy
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energy is released
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s, p
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sp
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s, p, p
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sp2
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s, p, p, p
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sp3
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