Pure.
a mixture
Sodium is an element (Na)
Pure sodium chloride is homogeneous compound. It is not a mixture.
Sodium is an element (Na)
Sodium is a pure substance, an Element.
It is not a mixture at all. It is a pure substance, an element to be specific.
No, sodium hydroxide is a pure compound, not a mixture. It is a strong base made up of sodium ions (Na+) and hydroxide ions (OH-).
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.
It is a pure compound, not a mixture at all.
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 chloride is a compound, not a mixture; after refining NaCl become very pure.