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Chapter 8 & 9

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a bond that results from the sharing of valence electrons
chemical reaction in which a greater amount of energy is required to break the existing bonds in reactants than is released when the new bonds form in product molecules
a chemical reaction in which more energy is released that is required to break bonds in the initial reaction
a model that uses electron-dot structures to show how electrons are arranged in molecules
forms when two or more atoms covalently bond; usually includes two or more nonmetals
a type of bond that forms when electrons are not shared equally
a molecular model that uses symbols and bonds to show relative positions of atoms
model based on an arrangement that minimizes the repulsion of shared and unshared pairs of electrons around the central atom
a mixture of elements that has metallic properties
the force that holds two atoms together
the electrons involved in metallic bonding that are free to move easily from one atom to the next throughout the metal and are not attached to a particular atom
the simplest ratio of ions represented in an ionic compound
the electrostatic force that holds oppositely charged particles together; usually a nonmetal paired with a metal
the attraction of a metallic cation for delocalized electrons
ion formed from only one atom
the positive or negative charge of a monatomic ion
an ion made up of two or more atoms bonded together that acts as a single unit with a net charge
States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons
States that atoms like hydrogen and helium only need two valence electrons to be stable
condition that occurs when more than one valid Lewis structure exists for the same molecule
an element that can make bonds with more than 8 electrons, able to do so because they all have empty d orbitals

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