by checking in the Periodic Table
The physical properties of a pure substance can be used to identify it. A pure substance is an element or a compound, not a mixture.
melting point
Pure substance can be identified as either elements or compounds. Some examples of pure substance that are elements are sulfur and tin. Pure substances that are compounds are sugar and salt.
The terms element and compound are used to identify pure substances.
Physical properties of a pure substance include color, melting point, boiling point, density, solubility, and conductivity. These properties can be used to identify and characterize the substance.
pure substance, propanone
Methane is a pure substance.
it is a pure substance.... not
Pure substance
A pure substance is classified by having a definite and constant composition. The substance can be either an element or a compound, but what makes the substance pure, is that it does not vary.
pure substance
pure substance