Chemistry unit 11
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Ionic Bonding | Chemical bonding that results from the electrical attraction between cations and anions
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| Covalent Bonding | results from the sharing of electron pairs between two atoms
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| Electronegitivity nonpolar-covalent | 0-0.3
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| Electronegitivity polar-covalent | 0.4-1.7
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| Electronegitivity ionic | >1.7
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| VSEPR theory | predicts the shape of some molecules and assumes that pairs of valence electrons surrounding an atom repel each other
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| What atom goes in the middle in a 3 atom compound? | Carbon or the least electronegitive atom
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| Hydrogen Bonding | The intermolecular force in which a hydrogen atom that is bonded to a highly electronegative atom isattracted to an unshared pair of electrons of an electronegative atom in a nearby molecule
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| What does VSEPR stand for? | valence-shell, electron-pairrepulsion
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| AX2 | Linear && 180
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| AX3 | Trigonal Planar && 120
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| AX4 | Tetrahedral && 109.5
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| AX5 | Trigonal Bipyramidal && 120/90
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| AX6 | Octehedral && 90
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| AX2E | Bent && 120
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| AX2E2 | Bent && 109.5
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| AX3E | Trigonal pyramidal && 109.5
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| AX4E | Seesaw && 90/120
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| AX3E2 | T-Shaped && 90/180
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| AX2E3 | Linear && 180
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| AX5E | Square Pyramidal && 90/180
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| AX4E2 | Square Planar && 90/180
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| Boiling points for molecules | Metallic>Ionic>Polar-Covalent>nonpolar-Covalent
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| dipole-dipoleforces | The forces of attraction between polar molecules
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| London dispersion forces | The intermolecular attractions resulting from the constant motion of electrons and the creation of instantaneous dipoles
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