Lecture_5 nomenclature, moles, isotopes, amu, balancing equations

Lecture_5 nomenclature, moles, isotopes, amu, balancing equations

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Chem 1A Lecture 5
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Today’s Topics Nomenclature Moles Atomic Mass Units (amu) Isotopes Balancing Equations Limiting Reagents
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KBr O 2 CaO Cl 2 CaCl 2 ionic covalent ionic covalent ionic Type of Bond: Ionic or Covalent?
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Li + Na + K + Rb + Cs + Mg 2+ Ca 2+ Sr 2+ Ba 2+ Al 3+ O 2– S 2– Se 2– Te 2– F Cl Br I N 3 1A 2A 3A 7A 6A 5A 8A He Common charges
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In forming ionic compounds will each of the following gain or lose e’s ? a) K b) Br c) O d) Ca Loses one e to form K + Gains one e to form Br Gains two e to form O 2– Loses two e to form Ca 2+
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Predict Molecular formula: Ions Formula a) K and Cl b) Ca and O c) Ca and Cl K + Cl KCl Ca 2+ O 2– CaO Ca 2+ Cl CaCl 2
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Naming Compounds: Rules to help you remember Cations : use element name Anions : element stem + ide
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Binary Ionic Compounds: Type I : Know charge on metal ion Group 1A: ?
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Binary Ionic Compounds: Type I : Know charge on metal ion Group 1A: M + Group 2A: ?
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Binary Ionic Compounds: Type I : Know charge on metal ion Group 1A: M + Group 2A: M 2+
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Binary Ionic Compounds: Type I : Know charge on metal ion Group 1A: M+ Group 2A: M 2+ Al Al 3+ Ga Ga 3+
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This note was uploaded on 09/09/2011 for the course CHEM 1A taught by Professor Van koppen during the Spring '07 term at UCSB.

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Lecture_5 nomenclature, moles, isotopes, amu, balancing equations

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