unit 4 chemistry
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11 Terms
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chemical bond
force holding atoms together
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ionic bond
bond formed by electron transfer
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covalent bond
bond formed by sharing electrons
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metallic bond
attraction between metal cations and free electrons
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molecule
two or more atoms covalently bonded
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formula unit
lowest whole-number ratio in ionic compounds
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polarity
uneven charge distribution in a molecule
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nonpolar molecule
equal sharing of electrons
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polar molecule
unequal sharing of electrons
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lewis structure
diagram showing valence electrons
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VSEPR Theory
predicts molecular shape based on repulsion
Note 
Flashcards (51)