Post$-$Lab Questions

$1.$ Write out the electron configurations of carbon and each of the metals of the salt compounds used. Record this in Table $4.$ Potassium is already done as an example for you. Hint: The periodic table is very helpful and can be used as a guide.

$2.$ Identify the color emitted by each of the salts along with the corresponding approximate wavelength using Table $2$ in the Introduction. Record your results in Table $5.$

$3.$ Why does a salt compound give off light $($or a colored flame$)$ when burned?

$4.$ Barium chloride $(BaC{l}_2)$ emits a green color when flame$-$tested. What can be said about the wavelength of light it emits?