These are usually part of important safety or warning information. Additionally, some product labels will contain chemical element symbols. For example, medical laboratory tests will use labels that are much easier to interpret with a basic knowledge of element symbols like Na, Cl, HCO 3, and O 2. Knowing element symbols and their corresponding names is essential in many STEM careers.
Outside the classroom having a knowledge of the periodical table, chemical elements, and their properties can be quite useful. Learning various properties of these elements is often a requirement of science classes and allows chemistry problems to be solved in less time. The Periodic Table of Elements organizes all the known elements that make up the chemical matter around us.
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