no
Black powder
Carbon
it is indeed a compound, but its more of a mixture actually.
Black powder is a mixture, not an element. It consists of potassium nitrate, charcoal and sulfur in the ratio 75:15:10. It is used in fireworks and was once used to propel bullets in guns(still used with some antique guns).
Sulfur is an element.
Boron is typically found in an amorphous brown or black powder form. It does not have a distinct color in its natural state.
no
Sulfur is an element.
Black powder absorbs moisture from the atmosphere
Manganese dioxide (MnO2) is a black powder.
Bonding powder is not a chemical element.
The element you are referring to is iodine. In its solid form, iodine appears as a hard, black, shiny material. When heated, it sublimes directly from a solid to a gas, turning into a brownish-purple vapor. As the vapor cools, it forms brownish powder deposits.