A chemical element is a type of atom with a specific number of protons in its nucleus. This web page lists all 118 elements by their atomic number, symbol, name, origin, and properties.
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A chemical element is a type of atom with a specific number of protons in its nucleus. This web page lists all 118 elements by their atomic number, symbol, name, origin, and properties.
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Learn about the periodic table of the elements, the organized array of all the chemical elements in order of increasing atomic number. Explore the history, properties, and classification of the elements, and how they relate to the periodic law.
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Learn the difference between elements and compounds, the two forms of pure substances. Find out the types, examples, and properties of elements and compounds with videos and FAQs.
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Learn how elements are classified based on their electronic configuration, properties and periodicity. Find out the types of elements such as metals, non-metals, metalloids, noble gases and more.
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Learn how the periodic table is organized into periods, groups, and families based on the number of valence electrons and chemical properties of the elements. Explore the 18 groups and 10 families of elements with examples and color coding.
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Learn the names, symbols and atomic numbers of all the 118 elements in the periodic table of chemistry. Find out the origin and meaning of some chemical symbols and how to memorize the periodic table.
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There are different types of elements like metal, non-metals and metalloids. On the other hand, compounds are also different types that are ionic compounds and covalent compounds. In this Chemistry article, we will read about elements and compounds. What are Elements?
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A chemical element is a substance whose atoms have the same number of protons. Learn about the history, properties, and classification of the 118 elements in the periodic table.
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There are multiple ways of grouping the elements, but they are commonly divided into metals, semimetals (metalloids), and nonmetals. You'll find more specific groups, like transition metals, rare earths, alkali metals, alkaline earth, halogens, and noble gases.
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In this screencast, we review the positions of metals, metalloids, and nonmetals in the Periodic Table and the general characteristics of each.
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