________ occurs with atoms of elements of large differences in electronegativity.
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Water pack
________ in a specific way where the solid- state is less dense than the liquid state.
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Dispersion
________ (London) force: the force of attraction between nonpolar molecules larger number of electrons cause an uneven distribution of charge large shape of the molecule are stronger and results in increased boiling point**
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Lewis
________ structures: atomic symbol in the middle with its outer valence electrons around.
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molecular forms
Allotropes:** different crystalline or ________ of the same element that differ in physical and chemical properties.
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Positive ion
________ attracts with the negative end of the water.
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soft solids
Can be ________, liquids, or gas at room temperature.
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Dipole dipole
________ forces**: attractions between opposite charges.
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polyatomic ion
Intramolecular forces**: forces exerted within a molecule or ________.
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polar molecule
Ion- dipole forces**: the force of attraction between ion and ________.
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lone pairs
Resonance structure**: models that give the same relative position of atoms but show different places for their bonding and ________.
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Dipole
________:** charge separation for the entire molecule.
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electron model
Free- ________**: pictures metals as being composed of densely packed core of metallic cations with free roaming electrons.
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Chemical bonds
________: electrostatic forces that hold atoms together in compounds lower- energy systems tend to have* greater stability than higher- energy systems* Bonded atoms are more stable**
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Covalent bonding
________: electron- sharing to acquire noble gas configuration.
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physical properties of substances
Intermolecular forces**: forces that influence ________; forces of attraction and repulsion that act between molecules.
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pool of valence
Metabolic bonding**: force of attraction between positively charged cations and the ________ electrons that moves among them.
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nonpolar molecule
Ion- induced dipole forces**: ion in close proximity to a(n) ________ that distorts electron density of non- polar molecule making it polarized.
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Coordinate covalent bond
________**: when a filled atomic orbital overlaps with an empty atomic orbital.
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Crystalline solids
________**: organized particle arrangements of solids.
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