1. Flame test precautions
Follow all lab procedures and rules
Wear goggles or risk sitting out the lab
Treat all chemicals in this lab as toxic.
Do not touch any of them with your bare hands.
Wash well with water immediately if you touch chemicals accidentally

2. Flame test precautions Continued
Use caution with the burner
Do not leave burner unattended
Place burner near middle of lab bench
Tie back long hair
Do not wear baggy clothing or dangling jewelry in the lab
Use water beakers to make sure the splinter are off
Hot objects look like cold objects: be cautious

3. Flame test precautions
CuCl2 (Copper(II) Chloride) is highly toxic by ingestion; avoid contact with eyes, skin and mucus membranes.
LiCl (Lithium Chloride) is moderately toxic by ingestion; avoid contact with eyes, skin and mucus membranes.
Wash your hands with soap and water after you complete the day’s lab work, even if you didn’t touch any chemicals directly

4. prelab prelab questions
Describe the energy levels of an atom and how an electron moves between them. Be sure to describe how the electron absorbs and emits energy when it does so.
What physical change happens to atoms and molecules in a solution that is strongly heated in a flame? Is there a phase change? If so, what is it?
What is going on inside atoms of a metal when a metallic salt of that metal is dissolved in water and then placed in a hot flame?
What would be required in order to observe a spectrum when viewing the flame test of a metallic salt? Why?
What is required in order to be able to identify an element based on its flame test color?
Why do different elements have dif