term for that is pure substance
Homogeneous substance :D
A uniform mixture is : A sample of matter that has the same composition and properties throughout.
Pure substance: matter w/properties/composition that don't vary from sample to sample. (salt, water,etc). Homogeneous mixture: composition can vary; an example is a solution (coffee w/sugar) and is uniform throughout.
"A phase is a state of a...system that has...uniform chemical composition and physical properties.""Matter." Wikipedia. 19 Feb 2008, 04:16 UTC. Wikimedia Foundation, Inc. 19 Feb 2008 .
Chemistry is the scientific study of the composition structure and properties of matter and the changes that it undergoes.
composition
Several chemical properties can be estimated knowing the chemical composition.
chemistry
Chemistry
Chemistry is the scientific study of the composition structure and properties of matter and the changes that it undergoes.
Mass is an extensive property, which depends only on the amount of matter in the sample, not on the composition of the sample.
Chemistry
Substance