'Negative oxidation number' diaporamas de présentation

Chemical Formulas and Nomenclature

Chemical Formulas and Nomenclature. Chemical Formulas. Contain : Element Symbols Subscripts for each element Coefficients for each formula 2 Mg(NO 3 ) 2. Coefficient. Subscript. Examples : Write the number of each element found in the following formulas. Mg 3 N 2 3 CoBr 2 Ni(OH) 2

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Introduction

Introduction. Chemical reactions involve the rearrangement of the atoms within and between molecules that results in the formation of new molecules. This process involves the making and breaking of covalent bonds.

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Redox reactions

Redox reactions. Volumetric Analysis Unit 3. Types of chemical reactions. Fall into several categories. 1) Precipitation reactions The general form of the equation for such a reaction is: AB + CD ? AD + CB.

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Assigning Oxidation Numbers

Assigning Oxidation Numbers. For ionic compounds, oxidation numbers can be assigned using the expected charges from the periodic table. Assigning Oxidation Numbers. For ionic compounds, oxidation numbers can be assigned using the expected charges from the periodic table. Alkali Metals = +1.

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Warm Up

Warm Up. Why do you think we need to name compounds? Ex. Strontium Chloride Carbon Dioxide Iron (II) Chloride. Writing Formulas and Naming Compounds. Binary Compounds. Binary compounds consist of two elements bonded together. Ie . NaCl , KI. Formulas (a Review).

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Analysing Oxidants and Reductants

Analysing Oxidants and Reductants. Chapter 5. Redox Reactions. Redox reactions involve complementary processes of oxidation and reduction, and can be identified on the basis of one or more of four definitions of oxidation and reduction.

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Chapter 10

Chapter 10. Oxidation Numbers. Oxidation Number. The oxidation number is the charge on a single atom. Oxidation Number. The oxidation number is the charge on a single atom. Examples: Na + (oxidation number = +1) Cl? (oxidation number = -1) Al 3+ (oxidation number = +3)

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Chapter 10

Chapter 10. Oxidation Numbers. Oxidation Number. The oxidation number is the charge on a single atom. Oxidation Number. The oxidation number is the charge on a single atom. Examples: Na + (oxidation number = +1) Cl? (oxidation number = -1) Al 3+ (oxidation number = +3)

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Oxidation # & Writing Formulas

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Volumetric Analysis

Volumetric Analysis. Volumetric Analysis. Volumetric analysis involves the analysis of a solution of unknown concentration with a standard solution. A pipette is used to transfer a known quantity of one of the solutions into a conical flask. This sample is called an aliquot

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Chapter 8

Chapter 8. Oxidation and Reduction.

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