The Study of Chemistry is the study of the properties of matter and the changes it undergoes. Elements and compounds are substances that take part in chemical transformation. Chemistry is largely an experimental science, and a great deal of knowledge comes from laboratory research. In addition, however, today’s chemists may use a computer to study themicroscopic structure and chemical properties of substances or employ sophisticatedelectronic equipment to analyze pollutants from auto emissions or toxic substances inthe soil.
Many frontiers in biology and medicine are currently being explored at the level of atoms and molecules—the structural units on which the study of chemistry is based. Chemists participate in the development of new drugs and in agricultural research. What’s more, they are seeking solutions to the problem of environmental pollution along with replacements for energy sources. And most industries, whatever
their products, have a basis in chemistry. For example, chemists developed the polymers (very large molecules) that manufacturers use to make a wide variety of goods, including clothing, cooking utensils, artificial organs, and toys. Indeed, because of its diverse applications, chemistry is often called the “central science.
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