How can you identify the inorganic substances? Using specific positive and negative ions. Where do you find those positive and negative ions? In the first part of this activity, students identify common metallic and non-metallic ions found in zinc, cadmium, antimony, barium, sulfate, sulfide, sulfite, and carbonate.
They also learn that each substance has distinctive properties. As a final part of the activity, students conduct chemical tests on four unknown substances. All test results are safe, clear, colorful, and unmistakable! The kit comes complete for 50 students.