Question: why are alkali metals used in fireworks?
Answer: Many of the alkali metals are used in fireworks: Lithium - Lithium is a metal that is used to impart a red color to fireworks. ... Sodium - Sodium imparts a gold or yellow color to fireworks, however, the color may be so bright that it masks less intense colors. Potassium - Potassium helps to oxidize firework mixtures.