Curated OER
General Chemistry I
In this chemistry worksheet, students balance each of the reactions presented using the periodic table to help. Then they predict the products of the reactions and write the net ionic equation. Students also write the empirical formulas...
Curated OER
Testing the Waters
Learners use test kits to measure the level of chlorine, iron, sulfide, and dissolved oxygen in tap (drinking) water and stream water. They post and evaluate the results of these water quality tests.