Barium nitrate is a chemical compound with the formula Ba(NO3)2. It is a white crystalline solid commonly used in fireworks and pyrotechnics.
Nitrate ion: A polyatomic ion (NO3-) that consists of one nitrogen atom bonded to three oxygen atoms.
Barium ion: A cation (Ba2+) formed when an atom of barium loses two electrons.
The ability of a substance to dissolve in another substance, such as water.