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18 Cards in this Set
- Front
- Back
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chemical bond
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a mutual electrical attraction between nuclei and valence electrons of different atoms that binds the atoms together
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ionic bonding
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chemical bonding that results from the electrical attraction between cations and anions
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covalent bonding
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the sharing of electron pairs between two atoms
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non polar covalent bond
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a covalent bond where the bonding electrons are shared equally by the bonded atoms; balanced distribution of electrical charge
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polar
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uneven distribution of charge
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polar covalent bond
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a covalent bond where the bonded atoms have an unequal attractin for the shared electrons
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moleclue
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a neutral group of covalently bonded atoms
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molecular compound
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chemical compound whose simplest units are molecules
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chemical formula
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indicates the relative numbers of atoms of each kind in a chemical compound by using atomic symbols and numerical subscripts
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molecular formula
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shows the types and nmbers of atoms combined in a single molecule of a molecular coumpound
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bond energy
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energy required to break a chemical bond and form neutral isolated atoms
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ionic coumpound
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pos and neg ions that are combined so that the numbers of pos and neg charges are equal
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polyatomic ion
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group of covalently bonded atoms
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molecular polarity
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theuneven distribution of molecular chage
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dipole
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equal but opposite charges separated by a short distance
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polar bonds
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difference in EN
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non polar
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no unshared pairs of electrons all outer atoms have to be the same
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formula unit
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cross and put into subscripts to neutralize charge between ions
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