Does the bond type affect the properties of Solids? Chap. 13: Day 4

Bond Types Table 13.6 Ionic Ionic Hard, brittle, High MP TYPE FORCE Properties . Ionic Ionic Hard, brittle, High MP poor conductor Metallic Electrostatic Malleable, Range of MP good conductor Polar Dipole Range of MP & hardness Covalent poor conductor Nonpolar Ind. Dipole lower MP Covalent poor conductor

Not using

Preliminary Data Properties CuSO4 Zinc Dextrose Parafin Bond type Appearance Solubility: alcohol water Melt: water flame Conductivity: solid aqueous Litmus: red blue reaction with acid reaction with base

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Flow chart: needs to be approved before testing Test a no yes Test c Test b yes no yes no nonpolar ionic Test d no yes polar metalic

Unknown Data Properties 1 2 3 4 5 6 7 Bond type

Bonding lab: due 15th (Tues) Obtain preliminary data for 4 knowns Develop flow chart Get approval for flow chart Determine the bond types of the 6 unknowns using flow chart Write full lab report with Purpose Materials Procedure Data Conclusion: use your data to support your choice of bond type for each unknown