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chemistry: element, compound, and mixture

Element is a single Substance that can not be chemically broken down into other substances. Some examples of elements are Oxygen, nitrogen, hydrogen, buy, gold, silver, and many more. Distinguished element of Logan and non-metals. Some examples of the metal element is iron (Fe), gold (Au), copper (Cu), etc. Some examples of non-metals are oxygen (O), carbon (C), sulfur (S). Elements of a transition from metal to non-metallic character of Logan and also non-metals, metalloids known elements. For example silicon, boron, and arsenic.

The compound is a Single Substance that can be chemically broken down into two or more substances. Some examples of compounds are water, sucrose, and Sodium Chloride. Water can be broken down by electricity into hydrogen gas and oxygen gas. Sucrose can be broken down by heating the charcoal (carbon) and water. Sodium chloride can also be described by the electric (electrolysis), the sodium and chlorine. A chemist from the French, namely Joseph Louis Proust (1754-1826) found that the Mass Ratio of elements in a compound is fixed. For example, the mass ratio of hydrogen with oxygen in water (1: 8), does not depend on the amount of water that were analyzed. This also means that the mass of hydrogen which reacts with oxygen to form water is 1: 8. if hydrogen is not reacted with oxygen in the ratio 1: 8, then one of them will be left.

The mixture is a material formed from 2 or more substances that have the nature of the substance came from. The types of solutions are mixed, suspensions, and colloids. The solution is a homogeneous compound. Each solution consists of a solvent and solute. In solution, the solute dispersed in the form of particles is very small with a diameter of less than 1 nm. Suspension is a heterogeneous mixture consisting of particles - small particles of solid or liquid dispersed in liquid or gas. Particle size greater than 100 nm. is a form of a mixture of two or more substances that are homogeneous but have a dispersed particle size is large enough 1-100nm. Some examples of colloids are milk, fog, jelly etc


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