C5 Ionic Bonding post

C5 Ionic Bonding post - Chapter 5 Chemical Bonding...

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Chapter 5 Chemical Bonding Powerpoint slides modified from BLB text Powerpoint prepared by John D. Bookstaver, St. Charles Community College
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Chemical Bonds
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Structure Determines Function
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Chemical Bonds The connectivity between atoms The 3-D shape of the molecule Enzyme in marine bacteria that cuts specific polysaccharides.
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Chemical Bonds Three basic types of bonds: Ionic Electrostatic attraction between ions Covalent Sharing of electrons Metallic Metal atoms in a sea of electrons
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Chemical formulas = composition of compound Molecules are made from nonmetals: C 2 H 6, SF 6 , P 2 O 5 Ionic compounds are usually made from a metal and a nonmetal: Al 2 O 3 , CaCO 3 , NiCl 2 , ZnO, (but not always) NH 4 OH
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Ionic compounds = metal + nonmetal CaCO 3 and Ca 3 (PO 4 ) 2 in bone Lack of Ca 2+ is a cause of osteoporosis
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Ionic compounds = metal + nonmetal Cations = metal atom – 1 or more electrons Ex. Mg 2+ , Al 3+ , Sn 2+ , Sn 4+ Anions = nonmetal atom + 1 or more electrons Ex. F - , O 2- , N 3- Polyatomic ions Ex. ClO - , CO 3 2- , - OH and NH 4 +
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C5 Ionic Bonding post - Chapter 5 Chemical Bonding...

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