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What does a chemical formula tell you about a pure substance?
It tells you the elements and the proportions of those elements that are present to make the pure substance.
A pure substance is the what throughout?
A pure substance is the same throughout. When a substance is 100% something it is pure.
Why silicon is a pure substance?
silicon is a pure substance because it is an element and as we know an element is a pure substance
Why is air a pure substance?
Air is not a pure substance.
Is sulfur a pure substance?
pure substance
What does a chemical formula tell you about a pure substance?
It tells you the elements and the proportions of those elements that are present to make the pure substance.
What are two reasons why density is a useful property identifying substances?
Density can tell you how "pure" a substance is. Since each substance has a specific density in its "pure" state, having no other substances in its composition, by measuring it density you can tell how pure the mineral or substance is, 99.9% pure gold.
What are two reasons why density is a useful property for identifying substances?
Density is specific for each substance. Also the measurement is generally simple.
How do you tell pure and mixture apart?
a pure substance only has one element and a mixture has many different compounds
Is acetone a pure substance or mixture?
pure substance, propanone
How could you prove to someone that a clear material is a solution not compound?
well Tell the person its a pure substance so a pure substance can only compound one matter
Is a lemon a pure substance?
it is a pure substance.... not
Is a tin a pure substance?
Pure substance
A pure substance is the what throughout?
A pure substance is the same throughout. When a substance is 100% something it is pure.
Is Methane a mixture or a pure substance?
Methane is a pure substance.
Is helium gas a pure substance or mixture?
Helium is pure as it is on the periodic table.
Why silicon is a pure substance?
silicon is a pure substance because it is an element and as we know an element is a pure substance
