Types of Bonds
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Define a compound | A substance made of two or more different elements combined together chemically
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| Define an ionic bond | Force of attraction between oppositely charged ions. Always formed by complete transfer of electrons from one atom to another
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| Define a transition metal | A metal that forms at least one ion with a partially filled d sub level
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| Define Valency | The valency of an atom is the number of monovalent atoms to which that atom will bond with
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| Define Sigma bond | Head on overlap of two orbitals
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| Define Pi bond | Sideways overlap of p orbitals
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| Define Polar-Covalent bonds | Unequal sharing of electrons which causes one end to be slightly negative and the other slightly positive
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| Give electronegativity difference range of an ionic compound | >1.7
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| Give electronegativity difference range of a covalent compound | <1.7
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| Give electronegativity difference range of a polar covalent compound | <1.7,>.4
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| Give electronegativity difference range of a non polar compound | <.4
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| 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.
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| Give 4 properties of covalent compounds | Contain individual molecules.
Generally soft.
Phase transition generally occurs at low temperatures.
Not conductive.
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JackEatonK98
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