Lemonade would be classified as a mixture...this because lemonade is a mixture of water and artificial flavoring, which includes sugar. Therefore, it is a mixture.
An element or a compound.
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.
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.
Because carbon cannot be changed into a simpler substance by normal means
The formula of a substance(element or compound) tells us the number of molecules in the in the substance(element or compound).
mixture
A pure substance is either an element or a compound.
I think that its a compound.
Steel is an alloy- which is a compound, or intermixture. So it is not an element or pure substance.
carbon
It depends on the substance your are talking about. It could be a compound, mixture, or substance; depending on the substance. If it is an element off the periodic table, it is an element. If it is two elements chemmically combined, it is a compound. If it is two elements that are not chemically combined, it is a mixture.
A compound is more that one element (an element is a single atom of a substance ie H hydrogen ) a compound is still considered to be a pure substance