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| bond formed by transferring electrons from a metal to a nonmetals |
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| bond formed by sharing electrons nonmetal bonds to nometal |
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| The number of electrons to gain or lose to equal 8. (no superscript= no charge) |
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| when atoms combine to form molecules they generally each lose, gain, or share valence electrons until they attain or share eight |
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| the amount of energy required to remove an electron from an atom to form a cation |
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| is a charged species composed of two or more atoms |
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| A chemical compound that ionizes when dissolved or molten to produce an electrically conductive medium (Ionic) |
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| Electrons are unequally shared. The molecule has an area of positve charge and a n area of negative charge. (Not symmetrical) |
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| Electrons are equally shared and there is no charge. (Is symmetrical) |
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| number of electrons in the outer most energy level. Mostly corresponds to the group of the element. ( Roman numeral)Exception is He because the first energy level can only contain 2 valence electrons |
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