In a house - Hydrogen. It gives off heat when burnt and has non-toxic products of combustion (water vapour). It doesn't damage the atmosphere when used as a fuel as no carbon dioxide is produced. Out of doors - carbon. Readily available. Non-toxic products of combustion.
The element copper makes the blue-green fireworks.
Barium is the element that produces yellow-green fireworks. It is a highly reactive metal that is commonly used in fireworks to create vibrant green colors.
The element that burns brightly in fireworks is typically strontium. When strontium is heated, it emits a brilliant red color, making it a popular choice for creating the red hues in fireworks displays.
CaCO3
This element is magnesium (Mg).
the earliest record we have found that tells about fireworks was written in Southern Song dynasty, and they were used for celebrations in royal palace. If you are asking about gunpowder, which was the basic element for making fireworks, it was first found in Tang dynasty
Black powder
The element copper makes the blue-green fireworks.
MagnesiumSulfur
Phosphorus, red phosphorus in particular, is the element that is used in safety maches and fireworks. Its symbol is P.
Barium is the element that produces yellow-green fireworks. It is a highly reactive metal that is commonly used in fireworks to create vibrant green colors.
The element that burns brightly in fireworks is typically strontium. When strontium is heated, it emits a brilliant red color, making it a popular choice for creating the red hues in fireworks displays.
Strontium
CaCO3
Sulfur is the native element used to make sulfur-based medicines, as well as glass and fireworks.
This element is magnesium (Mg).
Magnesium