Chemical and Physical Matter and its Properties.
Date Submitted: 08/31/2002 02:33:55
Category: / Science & Technology / Chemistry
Length: 3 pages (784 words)
Category: / Science & Technology / Chemistry
Length: 3 pages (784 words)
Matter and its Properties
Basic Building Blocks of Matter
The fundamental building blocks of matter are atoms and molecules. These make up elements and compounds. An atom is the smallest unit of an element that maintains the properties of that element. And element is a pure substance made of only one kind of atom. A compound is the substance that is made from the atoms of two or more elements that are chemically bonded. Water …
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…by the chemical change are called the products. By burning charcoal, carbon and oxygen are the reactants in a combustion, or burning reaction. Carbon dioxide is the product.
Chemical changes and reactions, such as combustion and decomposition, form products whose properties differ greatly from those of the reactants. Chemical changes, however, do not affect the total amount of matter present before and after a reaction. The amount of matter, and total mass, remain the same.
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