Physical properties:
Physical properties can be perceived and measured without any change in the composition of the substance. Physical properties are used to observe and describe the substance.
Chemical Properties:
Chemical properties are only observed in a chemical reaction and therefore matter changes the chemical composition.
Here are some points of difference between physical properties and chemical properties.
Physical properties |
Chemical properties |
No chemical reaction is necessary to demonstrate the property |
The chemical reaction is necessary to demonstrate the property |
Physical properties are measured without changing the chemical structure of the substance |
Chemical properties can be measured by changing the chemical composition of matter. |
There is no direct association with the chemical bond of a material |
This is directly associated with the chemical bonding of a material |
The chemical identity remains the same |
Changes in chemical identity |
Without changing a subject's identity, you can measure |
Can be measured by changing the identity of a substance |
You can change physical condition but not molecules |
It involves changes in molecules |
Which depends or not on the amount of matter |
It depends on the amount of substance. |
Here are some examples of physical properties: Molecular weight, color, texture, shape, hardness, malleability, smell, appearance, solubility, melting point, freezing point, boiling point, density, mass, viscosity, temperature, etc.
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Here are some examples of chemical properties: Toxicity, Reactivity, Viscosity, Chemical stability, Flammability, Half-life, Compressibility, Oxidation states, Heat of combustion, Type of chemical bonds, Radioactivity (of one atom, radiation emission), etc. |