Students will identify unknown chemicals based on laboratory testing of their physical and chemical properties. Students will identify the 4 different kinds of bonds that exist in chemicals: ionic, polar covalent, nonpolar covalent and metallic. Students review the properties of each solid using various tests. The activity contains enough materials for 15 groups of students as well as a Teacher’s Guide and Student Study Guide Copymasters. Meets Big Idea 2, Investigation 6, Primary Learning Objective 2.22. Kit Includes: 10g Ammonium Chloride 10g Calcium Carbonate 10g Magnesium Oxide 10g Potassium Nitrate 10g Benzoic Acid 10g Salicylic Acid 10g Aluminum Metal 10g Calcium Metal 10g Paraffin Wax 10g Zinc Metal 10g Sodium Acetate 10g Cupric Sulfate, anhydrous 10g Sodium Carbonate 10g Sucrose 10g Copper Metal 10g Sodium Bicarbonate 10g Cupric Sulfate Pentahydrate 10g Magnesium Metal 10g Sodium Chloride 10g Urea 30mL Universal Indicator 30mL Hydrochloric Acid, 0.1M 30mL Sodium Hydroxide, 0.1M 30mL Ethanol 95% 30mL Hexanes 30mL Phenolphthalein 1% 30mL Deionized Water 32 Melting Point Tubes LED Conductivity Tester DOT Info: Small quantity exemption 173.4 THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic highway or rail transport only WARNING: This product can expose you to chemicals including Respirable crystalline silica, Phenolphthalein/Methanol/Methyl isobutyl ketone and n-Hexane, which are known to the State of California to cause cancer and reproductive harm. For more information go to http://www.P65Warnings.ca.gov.