What happens to the electrons in the Flame Test?
Element: SC3.g
1. Due - prelab writeup & Wave Problems
2. Lab - Flame Test
3. HW - Finish Lab
Lab Questions:
1. What metallic ions are present in the unknown solutions?
2. Summarize the process that produces the colors seen in the flame tests.
3. What is the relationship of the colors you saw and the lines of the electromagnestic spectrum produced by the metals?
4. When a glass rod is heated, a yellow flame is observed around the point of heating? What does this yellow flame indicate? Whis is it observed when glass is heated?
5. The line spectrum of lithium has a red line at 670.8 nm. Calculate the energy of a photon with this wavelength.
6. What other equipment could you use in this investigation if burners were not available?
7. How do you think metallic salts are used in fireworks?