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15 Cards in this Set

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a mixture of elements that has metallic properties; most commonly forms when the elements are either similar in size (substitutional) or the atoms of one elements are much smaller than the atoms of the other (interstitial)
alloy
an ion that has a negative charge; forms when valence electrons are added to the outer energy level, giving the ion a stable electron configuration
anion
an ion that has a positive charge; forms when valence electrons are removed, giving the ion a stable electron configuration
cation
the force that holds two atoms together; may form by the attraction of a positive ion for a negative ion or by the attraction of a positive nucleus for negative electrons
chemical bond
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
delocalized electrons
an ionic compound whose aqueous solution conducts an electric current
electrolyte
proposes that all metal atoms in a metallic solid contribute their valence electrons to form a “sea” of electrons, and can explain properties of metallic solids such as malleability, conduction, and ductility
electron sea model
the simplest ratio of ions represented in an ionic compound
formula unit
the electrostatic force that holds oppositely charged particles together in an ionic compound
ionic bond
the energy required to separate one mole of the ions of an ionic compound, which is directly related to the size of the ions bonded and is also affected by the charge of the ions
lattice energy
the attraction of a metallic cation for delocalized electrons
metallic bond
an ion formed from only one atom
monatomic ion
the positive or negative charge of a monatomic ion
oxidation number
a polyatomic ion composed of an element, usually a nonmetal, bonded to one or more oxygen atoms
oxyanion
an ion made up of two or more atoms bonded together that acts as a single unit with a net charge
polyatomic ion