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17 Cards in this Set
- Front
- Back
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bond between a metal and a nonmetal
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ionic
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atoms will gain,lose or share electrons in order to have eight valence electrons
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octet rule
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shows valence electrons in an atom,represented by dots.
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lewis dot diagrams
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lower charge
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ous
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higher charge
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ic
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bond between metal and nonmetal contains two elements
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binary ionic compounds
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in writing a ionic compound does positive or negative element go first?
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positive
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do you equal the charge in covalent or ionic?
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ionic
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what is the subscript
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multiplier
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when are roman numerals used?
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for ions with more than one charge.
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what are covalent compounds called?
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molecule
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what are some properties of covalent bonds?
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not good conductors
-low melting and boiling points can be polar or non polar |
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unequal sharing of electrons
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polar
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share electrons equally
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nonpolar
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___ or less for
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0.4 or less nonpolar
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anything between ___- __ is
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0.4-91 is polar
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in what compound do you add the prefixes?
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covalent
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