compounds elements and mixtures questions and answers

Summary - Pure substances are made up of only one type of constituent particles. They are homogenous and have a definite set of properties characteristic of themselves. An element is a pure substance that is made up of only one kind of atoms. An atom is the smallest particle of an el..

According to the chemical classification of matter there are two main categories: Pure substances Mixtures..

..

..

..

A mixture is a material containing two or more elements or compounds that are in close contact and are mixed in any proportion. The components of a mixture can be separated by physical means. For example, air, gun powder, et..

Mixtures - A mixture is a combination of two or more elements or compounds in any proportion so that the components do not lose their identity. Air is an example of a mixture (several gases mix to form air). Mixtures are of two types, homo..

Characteristics Compounds Mixtures Composition Made up of atoms of elements in a fixed proportion Made up of elements, or compounds, or both in any proportion Nature Particles are of the same kind Particles are..

Distinction Between Compound and Mixture - Characteristics Compounds Mixtures Composition Made up of atoms of elements in a fixed proportion Made up of elements, or compounds, or both in any proportion Nature Particles are of the..

a) Oxygen and water (air dissolved in water) b) Oxygen, nitrogen, carbon dioxide and water vapour (air). Mixtures can also be grouped on the basis of their physical state..