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This is by definition.

If you react a sample of some element with some other element or compound the result will usually be a mixture of some of the unreacted sample and a new compound or compounds that are the results of the reaction. In other words, the resulting substance will no longer be homogeneous.

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10y ago
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15y ago

It has a fixed composition because it is made of all of the same type of atom so they will mesh together and form a linear object.

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Q: Why the composition of an element uniform and unchanging?
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Related questions

Is pure substance uniform composition?

a pure substance. either a compound or an element. Also, a solution, which is a homogeneous mixture, not a pure substance.


Matter that has a uniorm a unchanging composition is know as an?

It is a Substance


What is uniform composition?

a pure substance. either a compound or an element. Also, a solution, which is a homogeneous mixture, not a pure substance.


What is difference between a solution and a substance?

A substance is matter that is uniform in composition. A substance can be an element or compound. A solution is another name for a homogeneous mixture. It is also uniform in composition, but a solution is made by physically combining two or more substances.


How are a solution and a substance similar and how are they different?

A substance is matter that is uniform in composition. A substance can be an element or compound. A solution is another name for a homogeneous mixture. It is also uniform in composition, but a solution is made by physically combining two or more substances.


Which is a property of a pure substance uniform composition fixed composition varying composition?

A pure substance has a fixed and uniform composition.


What is it called when there is no uniform in a composition?

A substance or object that is not uniform in composition would be a heterogeneous mixture.


Form of matter that have definite shape and unchanging chemical composition?

This is a solid.


Does a heterogeneous mixture is one that has a completely uniform composition?

no, heterogeneous mixtures are not uniform, homogeneous mixtures have a fully uniform composition.


What is a mixture with a uniform composition?

A mixture whose composition is uniform throughout is called Homogeneous Mixture.


Matter has a uniform and definite composition called what?

Substance, classified as an element and compound. For an element, it cannot be separated into another simplier substance; for a compound, it can be dicomposed into elements using chemical processes.


Is a person running an example of non uniform motion?

His motion will be uniform if he is running in constant speed.