Unit+2

  LAB: Exploring Elements - Chemical Properties and Chemical Changes //pre-lab activities// media type="youtube" key="jJvS4uc4TbU" height="344" width="425"
 * gas tests
 * go to this [|link] to learn about flame tests for metals. You can also watch this video to get an idea of the results you might see (although not as dramatic as this)
 * define //precipitate// (look back in your notes on signs of chemical reactions)
 * go to this [|link] to learn about tests for chlorine, bromine and iodine ions. Click on the icon for "testing for halide ions" and conduct the tests by clicking on the eyedropper in the animation. Record your results in the table provided.