Studied by 67 people
Chemical bond
the force that holds two atoms together
Ionization energy
the energy required to remove an electron
Cation
positively charged ions
Anion
negatively charged ions
Ionic bond
electrostatic force that holds oppositely charged particles together in a ionic compound
Ionic compound
compound that contains ionic bond(s)
Binary ionic compound
have 2 different elements
Electrolyte
ionic compound whose aqueous (dissolved in water) solution conducts an electric current
Lattice energy
the energy required to separate 1 mole of the ions of an ionic compound
Formula unit
base formula for the ratio of cation to anion
Monoatomic ion
a one-atom ion
Oxidation number
the charge of the monoatomic ion
Polyatomic ion
Ion made of more than 1 atom
Oxyanion
an anion with oxygen in it (has to be polyatomic)
Electron sea model
the metal atoms in a metallic solid contribute their valence electrons to form a "sea" of electrons that surround the metal cations
Delocalized electrons
in the outer energy levels of the bonded metal atoms and are not held by a specific atom but move freely between atoms
Metallic bond
the attractions between the metallic cation and delocalized electrons
Alloy
mixture of elements that has metallic properties
Substitutional alloy
metal alloys formed by substituting one metal atom for another metal atom of similar size
Interstitial alloy
holes (interstices) in a metallic crystal are filled with smaller atoms
Cations are...
metals
Anions are...
non-metals
Ionic compounds in solid form...
do not conduct electricity
Ionic compounds in liquid form or in solution...
do conduct electricity
Two types of of ionic compounds
salts and oxides
Properties of ionic compounds
hard, rigid, brittle
Note 
Flashcard (72)