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Types of Bonds

QuestionAnswer
Define a compound A substance made of two or more different elements combined together chemically
Define an ionic bond Force of attraction between oppositely charged ions. Always formed by complete transfer of electrons from one atom to another
Define a transition metal A metal that forms at least one ion with a partially filled d sub level
Define Valency The valency of an atom is the number of monovalent atoms to which that atom will bond with
Define Sigma bond Head on overlap of two orbitals
Define Pi bond Sideways overlap of p orbitals
Define Polar-Covalent bonds Unequal sharing of electrons which causes one end to be slightly negative and the other slightly positive
Give electronegativity difference range of an ionic compound >1.7
Give electronegativity difference range of a covalent compound <1.7
Give electronegativity difference range of a polar covalent compound <1.7,>.4
Give electronegativity difference range of a non polar compound <.4
Give 4 properties of ionic compounds Network of ions in crystal form. Usually hard and brittle. Phase transition generally occurs at high temperatures. Conduct electricity in molten state or in solution.
Give 4 properties of covalent compounds Contain individual molecules. Generally soft. Phase transition generally occurs at low temperatures. Not conductive.
Created by: JackEatonK98