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13 Cards in this Set

  • Front
  • Back
bond dissociation energy
The energy required to break the bond between two covalently bonded atoms; this value is usually expressed in kJ per mol of substance.
covalent bond
a bond formed by the sharing of electrons between atoms.
coordinate covalent bond
a covalent bond in which one atom contributes both bonding electrons.
double covalent bond
a bond in which two atoms share two pairs of electrons
molecular compound
a compound that is composed of molecules
molecular formula
a chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of a compound.
a neutral group of atoms joined together by covalent bonds.
polyatomic ion
a tightly bound group of atoms that behaves as a unit and has a positive or negative charge.
resonance structure
one of the two or more equally valid electron dot structures of a molecule or polyatomic ion.
single covalent bond
a bond formed when two atoms share a pair of electrons.
structural formula
a chemical formula that shows the arrangement of atoms in a molecule or a polyatomic ion; each dash between a pair of atoms indicates a pair of shared electrons.
triple covalent bond
a covalent bond in which three pairs or electrons are shared by two atoms.
unshared pair
a pair of valence electrons that is not shared between atoms.