This is an ionic compound and if it is not mixed in solution or found with other substances, it is pure.
Potassium iodide is a pure substance, and is also known as a mixture.
potassium bromide + fluorine --> potassium fluoride + bromide
lead nitrate + potassium bromide --> lead bromide + potassium nitrate
Dry ice sublimes
Potassium bromide forms an ionic solid
The compound KBr has the name potassium bromide.
All these compounds can be obtained as very pure substances.
If pure, colorless.
potassium bromide + fluorine --> potassium fluoride + bromide
Potassium bromide is basically a chemical.
lead nitrate + potassium bromide --> lead bromide + potassium nitrate
"Potassium bromide"
The ionic compound potassium bromide, with formula KBr.
Calcium chloride and potassium chloride are pure substances.
Dry ice sublimes
Potassium is an element. Elements are pure substances. They don't "contain" anything.
Chemical formula of potassium bromide is KBr. Potassium and bromide ions make a giant lattice. It is very hard.
It is lead bromide and potassium nitrate