The terms element and compound are used to identify pure substances.
an element is a substance that cannot be chemically broken down futher...that is pure if that helps =]
look it up
Theoretically a mineral is a pure substance; practically this situation is not so frequent.
yes, a diamond is a crystalline form of pure carbon, there for making it a pure substance.
A pure substance and a homogeneous mixture are two different things. A pure substance is anything that is completely by itself. (An element, pretty much) A homogeneous mixture is a mixture of 2+ compounds that you can not differentiate the separate substances in the product. Such as soda, it is all one color and one texture, but there are many compounds in it.
Heat is thermal energy moving from one substance to another.
Yes. Density only depends on the substance, not the size of the sample. A pure drop of the substance has the same density as a pure truckload of the same stuff.
It is pure if this sugar is not mixed with another substance.
There is no such thing. An element IS a pure substance.
I believe that is an element.
its not pure substance its mixture
A pure substance contains only one chemical identity, e.g. one element or one compound. While the properties of any pure substance might be completely different from that of another, the properties of any sample of a single pure substance will always be the same.
You may regard distilled water as a pure substance. Common salt would be another, as would refined sugar.
pure substance, propanone
A pure substance is an element made of one type of atom. A compound is produced by 2 different elements combined to make a pure substance again, and that can be used with another pure substance to make another, and so on and so on. Basically, your answer is yes.
lame people going wild
The defining characteristic of a pure chemical substance is that any sample of it contains the same elements in the same mass proportions to one another.
Physical properties are characteristics of a pure substance that can be observed without changing it into another substance. Chemical properties are characteristics of a pure substance that describes its ability to change into different substance.