![]() Hence oxidation state is a chemical property. For example, if a particular substance can react with an oxidizing agent or a reducing agent, then the oxidation state of the elements in that substance is changed. Therefore, the structure of the sample must be altered for the chemical properties to become apparent.Ĭhemical properties of matter can be determined by observing the reactions of substances towards acids, bases, water or other chemicals. Chemical properties measure the chemical changes that a substance may undergo when it is subjected to a chemical reaction. The chemical composition of a substance is like the identity of that substance if the chemical composition is changed, the substance becomes a different substance. ![]() Density is also an intensive property that does not depend on the amount of substance because it is determined as the mass of a unit volume.Ĭhemical properties are properties that can be measured by changing the chemical composition of a substance. Melting point and boiling point of a substance are fixed (measured as standard values) values that depend only on the type of substance, not on the amount of substance. For example, color is an intensive property. Properties regarding the appearance of substance are intensive properties. This means extensive properties change when the amount of the substance is changed. Extensive properties depend on the amount of substance. Intensive properties are physical properties that do not depend on the amount of substance. Physical properties can be found mainly in two types as intensive properties and extensive properties. These physical properties can also be used to observe and compare different forms of matter. These properties can be used to describe the appearance and dimensions of matter. Physical properties are properties that can be measured without changing the chemical composition of matter. Key Terms: Appearance, Boiling Point, Chemical Properties, Extensive Properties, Intensive Properties, Melting Point, Physical Properties, Properties What is the Difference Between Physical and Chemical Properties The main difference between physical and chemical properties is that physical properties can be observed without changing the chemical composition of a substance whereas chemical properties can be observed by changing the chemical composition of a substance. But if the changes of a property do not change the chemical composition of the substance, then that property is a physical property. If the chemical composition of a substance is changed when a particular property is changed, then that property is a chemical property. Properties of matter can be divided into two broad categories as chemical properties and physical properties. Main Difference – Physical vs Chemical Properties
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