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Chapter 9 Vocubulary

Covalent bond The chemical bond that results from the sharing of valence electrons
Molecule is formed when two or more atoms bond covalently
Lewis structure use electrons-dot diagrams to show how electrons are arranged in molecules
Sigma bond Single covalent bonds
Pi bond is formed when parallel orbitals overlap to share electrons
endothermic reactions occur when a greater amount of energy is required to break the existing bonds in the reactants than is released when the new bonds form in the product molecules.
exothermic reactions occur when more energy is released forming new bonds than is required to break bonds in the initial reactants.
Oxyacid Any acid that contains hydrogen and an oxyanion
structural formula uses letter symbols and bonds to show relative positions of atoms
resonance is a condition that occurs when more than one valid Lewis structure can be written for a molecule or ion.
coordinate covalent bond when one atom donates a pair of electrons to be shared with an atom or ion that needs two electrons to become stable
VSEPR model Valence Shell Electron Pair Repulsion Model
Hybridization a process in which atomic orbitals are mixed to form new, identical hybrid orbitals.
Polar covalent unequal Sharing results
Created by: Baby-Gurl2010