Thread: flame test of common metals

Mindy and her lab partner conducted flame tests of several metallic salt solutions. They dipped a wire loop into each salt solution, and one by one, heated the sample in the Bunsen burner flame. Based on their results, which element produced a colored light with the lowest energy?

A)barium

B)calcium

C)copper

D)potassium

basically,

where = a constant

= wavelength