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National Standards for Grade Levels 9-12


Students are introduced to groups within the periodic table that have the same number of electrons in their outer energy orbitals. Experiments are conducted to determine that elements within a family or group have similar chemical activity. This kit includes two experiments. In the first experiment, students determine the reactivity of the non-metals in the halogen family. In the second experiment, students determine the percentage of oxygen in air. In addition, they generate and test for oxygen gas liberated from a simple chemical reaction. Worksheets focus on identifying characteristics of elements within the halogen, oxygen and nitrogen

families, separation methods, and the observed chemical reactions. Kit includes all required chemicals, reproducible procedures for laboratory experiments, a test, and answer keys. Allow two lab periods and additional time for observation after 2-3 days. Designed for 24 students working in groups of four. Requires a chemical ventilation hood, and general lab supplies, not included. Includes nitric acid.

Families of Elements I

SKU: 13-132
    • Instructor’s Manual
    • Sodium Bromide
    • Nitric Acid
    • Potassium Iodide
    • Potassium Bromide
    • Chlorine Water
    • Iodine Water
    • Sodium Chloride
    • Hydrogen Peroxide
    • Manganese Dioxide Powder
    • Mineral Oil
    • Glass Vials w/ Caps
    • Steel Wool
    • Wood Splints
  • Sh. wt. 3lbs, DIM 13” x 12” x 5”

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