There are many different elements in fireworks. These are some of them and what they do. Copper is used to create mainly blue colors, and a little bit of green too. Carbon is used in fireworks prime components of black powder. Aluminum helps produce silver and white colors, and sparks and flames. Phosphorous helps fireworks ignite spontaneously in the air. Sulfur helps fuel fireworks. Antimony helps create glitter effects. Zinc contributes to creating smoke clouds, among other effects. Iron helps produce sparks. Barium is used to create green colors; it also helps stabilize and oxidize firework mixtures. Stronium brings red color to fireworks, and helps stabilize and oxidize firework mixtures. Calcium helps deepen  the colors of the other elements, and brings a silver color and a little bit of red to the fireworks. Magnesium helps create bright white flames. Lithium also adds a red color to the fireworks. It also gives a deep yellow color. Sodium helps produce the gold and yellow colors in the fireworks. Potassium also helps oxidize firework mixtures. The last of our elements is chlorine, which intensifies, or brightens colors.