why mass cannot be used as a property to identify a sample of matter?

Because mass depends upon the AMOUNT of materal taken.

is malleability an extensive property or an intensive property? explain

malleability is an intensive property because it describes a certain aspect of matter not the amount of matter

what is a proper pronoun of street?

how could you distinguish an element from a compund

Mass is actually a property that can be used to identify a sample of matter. Mass refers to the amount of matter an object contains, and it is typically measured in units like grams or kilograms. However, there are a few reasons why mass alone might not be sufficient for identifying a sample of matter:

1. Lack of specificity: Mass alone does not provide specific information about the composition or nature of the substance. For example, if you have two samples with the same mass, you cannot determine if they are made of the same substance or different substances.

2. Identical masses for different substances: Different substances can have the same mass. For instance, a sample of iron and a sample of lead can have the same mass, but they are chemically distinct elements with different properties.

3. Mixture of substances: Mass alone cannot differentiate between pure substances and mixtures. A mixture is formed when two or more substances are combined physically, but can be separated back into individual components. If you have a mixture, the mass of the entire sample will be the sum of the masses of its individual components.

Therefore, while mass can provide important information about a sample of matter, it is not sufficient as the sole property for identification. Additional properties such as density, melting point, boiling point, and chemical reactions are usually needed to fully identify a sample of matter.