Answer:
I know you probably don't need the answer now but here ya go :P
Explanation:
Potassium chloride, makes a purple flame, the metal in Potassium chloride is called potassium (if it's not obvious) the non-metal element in Potassium chloride is chloride.(again duh XD) Last but not least, Potassium spectra in the 700–7000 cm-^1 domain: Transitions involving f-, g-, and h-states!
TA-DA! You now have a decent answer that most likely is right because i'm not good at science at all!
