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21 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Covalent Bond |
Atoms are held together by the sharing of electrons |
Atoms are held together... |
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Molecule |
Neutral group of atoms joined together by covalent bonds |
Neutral group |
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Diatomic molecule |
Molecule consisting of two atoms |
Molecule consisting |
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Molecular compound |
Compound composed of molecules |
Compound |
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Molecular formula |
The chemical formula of a molecular compound |
Chemical formula |
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Single covalent bond |
Two atoms held together by sharing a single pair of electrons (H2) |
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Structural formula |
Represents the covalent bonds by dashes and shows the arrangement of covalent bonded atoms |
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Unshared pair |
Pair of valence electrons that is not shared between atoms |
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Double covalent bond |
Bond that involves two shared pairs of electrons |
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Triple covalent bond |
Bond that involves three shared pairs of electrons |
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Coordinate covalent bond |
Covalent bond in which one atom contributes both bonding electrons |
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Polyatomic ion |
A tightly bound group of atoms that has a positive or negative charge and behaves as a unit |
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Bond dissociation bond |
Energy required to break the bond between two covalently bonded atoms |
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Polar covalent bond |
A covalent bond between atoms in which the electrons are shared unequally |
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Polar molecule |
One end of the molecule is slightly negative and the other end is sightless positive |
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Dipole |
A molecule that has two poles |
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Intermolecular |
Attractions are weaker than either ionic or covalent bonds |
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Van Der Waals forces |
The weakest attractions between molecules |
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Dipole interactions |
Occur when polar molecules are attracted to one another |
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Dispersion forces |
Weakest of all molecular interactions, are caused by the motion of electrons |
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Hydrogen bonds |
Attractive forces in which hydrogen covalently bonded to a very electronegative atom is also weakly bonded to an unshared electron pair of anther electronegative atom |
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