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Ch 6 Vocab

TermDefinition
compound pure substance made of two or more elements in a fixed ratio
octect rule atoms gain, lose, or share electrons to achieve a full outer shell and a noble gas configuration
ionic bond electrostatic attraction between cations and anions
electronegativity a measure of an atom's ability to attract electrons from the other atom in a bond
non-polar covalent bond a covalent bond in which both atoms share the electrons equally
polar covalent bond a covalent bond in which electrons are more strongly attracted to the more electronegative atom
diatomic element elements in nature that are found as two atoms bonded together
bond energy the amount of energy required to break a bond
bond length the distance between the nuclei of two bonded atoms
single bond two electrons shared between atoms
double bond four electrons shared between atoms
triple bond six electrons shared between atoms
bonding pair two electrons (one from each atom) that are shared in a covalent bond
lone pair valence electrons of an atom that are not involved in bonding
covalent bonding network a large covalent substance like diamond or graphite with many atoms covalently bonded
formula unit the smallest collection of ions that results in a neutral charge
molecule a single, free-standing unit of atoms that are covalently bonded
crystal structure symmetrical, 3-D arrangement of ions in an ionic compound
polyatomic ion a charged group of covalently bonded atoms
metallic bond a delocalized sea of electrons that move freely between the atoms of a metal
ductility the ability to be drawn into a wire
malleability the ability to be hammered into a thin sheet
expanded valence An atom that will include d orbital electrons in bonding causing it to have more than an octet of electrons once bonded
Created by: vcanfield
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