Metal chlorides evaporate under the flame and thus give a bright color. The color can be used to identify the metal ion. Chlorine atoms refrain from emitting any energy in the visible region of light. When the metal ions/ Metal chlorides are placed under the flame, the electrons gain energy.
Materials:
Small Beaker x 7
Safety Glasses
Bunsen Burner
Butane
Lighter
Wood Splints
7 small vials of different chlorides
Chloride Color
Barium Yellow-green
Calcium Orange-red
Copper Blue-green
Lithium Crimson Red
Potassium Pale Violet
Sodium Yellow
Strontium Red