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1. en.wikipedia.org › wiki › NonmetalNonmetal - Wikipedia

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   13 hours ago · v. t. e. Nonmetals are chemical elements that mostly lack distinctive metallic properties. They range from colorless gases like hydrogen to shiny crystals like iodine. Physically, they are usually lighter (less dense) than metals; brittle or crumbly if solid; and often poor conductors of heat and electricity.

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   What is a nonmetal element?

   • Nonmetals are chemical elements that mostly lack distinctive metallic properties. They range from colorless gases like hydrogen to shiny crystals like iodine. Physically, they are usually lighter (less dense) than metals; brittle or crumbly if solid; and often poor conductors of heat and electricity.

   Nonmetal - Wikipedia

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   Is a metal a nonmetal?

   • Some authors divide elements into metals, metalloids, and nonmetals, but Oderberg disagrees, arguing that by the principles of categorization, anything not classified as a metal should be considered a nonmetal. Bust of Dupasquier (1793–1848) in the Monument aux Grands Hommes de la Martinière [ fr] in Lyon, France.

   Nonmetal - Wikipedia

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   What are the characteristics of solid nonmetals?

   • The solid nonmetals have low densities and low mechanical and structural strength (being brittle or crumbly), and a wide range of electrical conductivity. [f] This diversity in form stems from variability in internal structures and bonding arrangements.

   Nonmetal - Wikipedia

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   Which nonmetals form the bulk of the Earth?

   • Five nonmetals—hydrogen, carbon, nitrogen, oxygen, and silicon—form the bulk of the directly observable structure of the earth: about 84% of the crust, 96% of the biomass, and over 99% of the atmosphere and hydrosphere, as shown in the accompanying table.

   Nonmetal - Wikipedia

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4. en.wikipedia.org › wiki › Deng_XiaopingDeng Xiaoping - Wikipedia

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   13 hours ago · Deng Xiaoping ( Chinese: 邓小平 [a]; 22 August 1904 – 19 February 1997) was a Chinese revolutionary and statesman who served as the paramount leader of the People's Republic of China (PRC) from December 1978 to November 1989.

5. en.wikipedia.org › wiki › Hydrogen_sulfideHydrogen sulfide - Wikipedia

   en.wikipedia.org › wiki › Hydrogen_sulfide

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   13 hours ago · Hydrogen sulfide is a chemical compound with the formula H 2 S. It is a colorless chalcogen-hydride gas, and is poisonous, corrosive, and flammable, with trace amounts in ambient atmosphere having a characteristic foul odor of rotten eggs. [11]