Potassium is a chemical element.
Potassium is a metallic element and a member of the Alkali Metal group, it has the symbol K which is derived from its old name of Kalium.
Potassium metal is a pure substance. In fact, it is an element as well. The reason potassium metal is an element is that it only contains one type of atom (all atoms of potassium have the same number of protons).
This is an ionic compound and if it is not mixed in solution or found with other substances, it is pure.
Calcium chloride and potassium chloride are pure substances.
Potassium is not an organic compound, it is a pure substance, an element.
Potassium dichromate is a pure substance in solid form. When dissolved in water, it forms a solution, which is a homogeneous mixture of potassium dichromate and water molecules.
Saltpeter, also known as potassium nitrate, is a pure substance. It is a compound made up of potassium, nitrogen, and oxygen in a specific ratio.
Yes, KCl (potassium chloride) is a compound because it is composed of potassium (K) and chloride (Cl) ions bonded together. It is also a pure substance because it is a single chemical substance with a definite composition.
All these compounds can be obtained as very pure substances.
Potassium carbonate is an ionic lattice--a soluble salt--which is naturally occurring as a mixture of salts. After a electrolysis process (in industrial level), crystalline salt can be obtained. It is widely used in soap and glass industries to mix with other substances.
Potassium chloride is a pure substance in its chemical form, as it contains only potassium and chloride ions. It is commonly used as a salt substitute or electrolyte replenisher in medical applications.
Gunpowder is not a pure substance. It is a mixture composed of potassium nitrate, charcoal, and sulfur in specific proportions. Each of these individual components maintains its chemical identity in the mixture.