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The components of a pure substance can be either molecules or atoms.

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14y ago

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A pure substance is either a compound or a(n) that can not be physically separated.?

A pure substance can not be broken apart.


What is a pure substance classified as?

A pure substance is classified by having a definite and constant composition. The substance can be either an element or a compound, but what makes the substance pure, is that it does not vary.


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.


Is a compound a pure substance or a mixture?

A compound is a pure substance.


A pure substance must be either what word or what word?

an element or a compound.


Is so3 a pure substance?

Yes, it is the compound Sulfur trioxide. Hint: If it has a chemical formula (with no + or - at the end) it is a pure substance.


Would a compound be classified as a pure substance?

If this compound is refined can be classified as a pure substance.


When is an substance said to be pure?

A pure substance is an element or a compound.


What isn't a mixture?

If something is not a mixture then it is a pure substance, either an element or a compound.


Is toluene a pure substance or mixture?

Toluene is a pure substance because it is a single compound with a uniform chemical composition throughout.


Is carbon dioxide a pure substance or a compound?

Carbon dioxide (CO2) is a compound and can be also a pure substance.


Is beryllium pure form in compound form or in a mixture of form?

Neither. It is an element. Also, by definition if a substance is pure it cannot be a mixture; it mus either be an element or a compound.