Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is homogeneous or heterogeneous. ... Elements are a type of matter known as a pure substance.

Physical properties of matter are measurable, for example melting point or boiling point. is something that describes how a substance behaves. There are 2 types of properties: ...

Pure substances have definite and constant physical and chemical properties, such as melting point, boiling point, density and chemical reactivity. Examples include elements like oxygen, gold and ...

Further agreement is established by a comparison of physical and chemical properties. ... let us suppose that the substance, ... A Method for the Identification of Pure Organic Compounds. Vol. i.

THE identification of natural or artificial dyestuffs either as such or in association with textile fibres, colour lakes, paper, food, or other articles, is a problem which at the present day ...