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Types of Bonds
| Question | Answer |
|---|---|
| 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
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