Lesson 5: Aim and Objectives Aim: How are ionic bonds differently depicted than covalent bonds? Objectives: 1.Learn to draw Lewis Dot Structures for ionic.

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Presentation transcript:

Lesson 5: Aim and Objectives Aim: How are ionic bonds differently depicted than covalent bonds? Objectives: 1.Learn to draw Lewis Dot Structures for ionic compounds. 2.In terms of electrical conductivity, how do ionic bonds differ from covalent bonds.

Lewis Dot Structure Covalent Bonds

Lewis Dot Structure Ionic Compounds

Write the Lewis Dot Structure Na and Cl K and F Ca and O Mg and Cl Ca and I Al and Br Al and O

Writing the Lewis Dot Structure 1.Is it covalent or ionic? 2.If it is covalent, electrons have to be drawn… 3.__________ electrons per bond 4.Add up all the electrons to equal… 5.If it is ionic, you have to figure out how many positive ions and how many negative ions you need. 6.You must draw ______________ and the positive ion has _________ electrons and the negative ion has __________ electrons.

Metallic Bond e-

Metals and Electrical Conductivity stry/resource/animations/metallic_bond/met allic.html stry/resource/animations/metallic_bond/met allic.html al-bonding-metallic-bonds-ontrack-chemistry- module-3-lesson-5 al-bonding-metallic-bonds-ontrack-chemistry- module-3-lesson-5 entialchemistry/flash/molvie1.swf entialchemistry/flash/molvie1.swf gy1111/animations/dissolve.html

Ionic Compounds and Electrical Conductivity 02/02020.html npop.cgi?it=swf::100%::100%::/sites/dl/free/ /117354/rev01_Ionic_vs_Covalent.swf::Ionic %20vs.%20Covalent%20Bonding chemistry/flash/molvie1.swf

Homework 5 Define the following: 1.Hydrogen bonds 2.Dipole-dipole interactions 3.Van der Waals forces (Dispersion forces)