a mixture
Sodium is a pure substance, an Element.
Sodium bicarbonate (NaHCO3) is a compound, not a mixture.
Sodium sulfite is a substance. It is a chemical compound composed of sodium ions and sulfite ions.
It is not a mixture at all. It is a pure substance, an element to be specific.
Sodium chlorate is a pure substance with a chemical formula NaClO3. It is distinct from a mixture of sodium chloride (NaCl) and oxygen (O2).
No, sodium chloride is a pure substance.
Sodium chloride is a substance, NaCl.
Sodium chloride (table salt) is a pure substance because it is a compound made up of sodium and chloride ions in a fixed ratio. It is not a mixture because it cannot be separated into its components by physical means.
Sodium is a substance. It is a pure element with a specific chemical composition and structure.
Sodium bicarbonate is a pure substance.
No, it's a mixture.
Sodium hydroxide is a compound.