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1. Costs of nonmetals: Day to day costs of nonmetals (including metalloids which are here counted as nonmetals) will vary depending on purity, quantity, market conditions, and supplier surcharges. Based on the available literature as of April 2023, the cited costs of most nonmetals ... [100%] 2023-10-11 [Nonmetals] [Costs]...
2. Discovery of the nonmetals: Most nonmetallic elements were discovered after the freezing of mercury in 1759 by the German-Russian physicist Braun and the Russian polymath Lomonosov. Before then, carbon, sulfur and antimony were known in antiquity. (Chemistry) [86%] 2023-12-22 [Nonmetals] [Chemistry]...
3. Dividing line between metals and nonmetals: The dividing line between metals and nonmetals can be found, in varying configurations, on some representations of the periodic table of the elements (see mini-example, right). Elements to the lower left of the line generally display increasing metallic behaviour ... (Chemistry) [70%] 2023-11-29 [Periodic table]
4. Properties of nonmetals (and metalloids) by group: Nonmetals show more variability in their properties than do metals. Metalloids are included here since they behave predominately as chemically weak nonmetals. (Chemistry) [65%] 2025-03-18 [Metals] [Nonmetals]...

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1. Nonmetal: A nonmetal is a chemical element that mostly lacks metallic properties. Seventeen elements are generally considered nonmetals, though some authors recognize more or fewer depending on the properties considered most representative of metallic or nonmetallic character. (Chemical element that mostly lacks the characteristics of a metal) [100%] 2023-12-17 [Nonmetals] [Periodic table]...
2. Nonmetal: Nonmetals are elements on the periodic table that do not fit into the description of metals. Some of the metalloids are sometimes considered to be nonmetals. [100%] 2023-02-10 [Element Categories] [Chemistry]...
3. Nonmetal: A nonmetal is a chemical element with several properties that are opposite those of a metal. Based on their properties, the elements of the periodic table are generally classified as metals, nonmetals, and metalloids. Only 18 elements of the periodic ... [100%] 2023-02-04
4. Nonmetal: Nonmetal is a term used in chemistry when classifying the chemical elements. On the basis of their general physical and chemical properties, every element in the periodic table can be termed either a metal or a non-metal. [100%] 2023-12-14 [Nonmetals] [Periodic table]...
5. Nonmetal: A nonmetal is a chemical element that, in the broadest sense of the term, has a relatively low density and high electronegativity; they range from colorless gases (like hydrogen) to shiny solids (like carbon, as graphite). They are usually poor ... (Chemistry) [100%] 2023-10-21 [Nonmetals] [Periodic table]...
6. Nonmetal: A nonmetal is a chemical element that mostly lacks distinctive metallic properties. Seventeen elements are widely recognized as nonmetals. (Chemical element that mostly lacks the characteristics of a metal) [100%] 2024-03-05 [Nonmetals] [Periodic table]...
7. Nonmetal: A nonmetal is a chemical element that, in the broadest sense of the term, has a relatively low density and high electronegativity; they range from colorless gases (like hydrogen) to shiny solids (like carbon, as graphite). They are usually poor ... (Chemistry) [100%] 2024-03-05 [Nonmetals] [Periodic table]...