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- Limonene (/ˈlɪmənˌiːn/) is a colorless liquid aliphatic hydrocarbon classified as a cyclic monoterpene, and is the major component in the essential oil...19 KB (1,534 words) - 16:11, 26 August 2024
- Nitrous oxide (dinitrogen oxide or dinitrogen monoxide), commonly known as laughing gas, nitrous, factitious air, among others, is a chemical compound...95 KB (9,773 words) - 03:31, 4 October 2024
- Hydrogen is a chemical element; it has symbol H and atomic number 1. It is the lightest element and, at standard conditions, is a gas of diatomic molecules...121 KB (12,377 words) - 14:27, 16 September 2024
- Oxygen is a chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal...115 KB (11,893 words) - 05:37, 5 October 2024
- Ethanol (also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is an organic compound with the chemical formula CH3CH2OH. It is...106 KB (10,639 words) - 04:12, 1 October 2024
- Lead is a chemical element; it has symbol Pb (from Latin plumbum) and atomic number 82. It is a heavy metal that is denser than most common materials....177 KB (19,142 words) - 00:19, 5 October 2024
- Magnesium is a chemical element; it has symbol Mg and atomic number 12. It is a shiny gray metal having a low density, low melting point and high chemical...78 KB (8,533 words) - 23:46, 27 September 2024
- Potassium is a chemical element; it has symbol K (from Neo-Latin kalium) and atomic number 19. It is a silvery white metal that is soft enough to easily...94 KB (10,892 words) - 13:53, 1 October 2024
- Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the formula NH3. A stable binary hydride and the simplest pnictogen hydride, ammonia...138 KB (14,909 words) - 13:47, 21 September 2024
- Hydrogen peroxide is a chemical compound with the formula H2O2. In its pure form, it is a very pale blue liquid that is slightly more viscous than water...92 KB (9,247 words) - 05:39, 26 September 2024
- Sodium is a chemical element; it has symbol Na (from Neo-Latin natrium) and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium...69 KB (8,020 words) - 23:35, 4 October 2024
- Sulfur (also spelled sulphur in British English) is a chemical element; it has symbol S and atomic number 16. It is abundant, multivalent and nonmetallic...99 KB (11,047 words) - 03:21, 28 September 2024
- Mercury is a chemical element; it has symbol Hg and atomic number 80. It is also known as quicksilver and was formerly named hydrargyrum (/haɪˈdrɑːrdʒərəm/...119 KB (12,638 words) - 11:10, 29 September 2024
- Lithium (from Ancient Greek λίθος (líthos) 'stone'; symbol Li and atomic number 3) is a soft, silvery-white alkali metal. Under standard conditions, it...141 KB (13,796 words) - 01:03, 27 September 2024
- Silver is a chemical element; it has symbol Ag (from Latin argentum 'silver', derived from Proto-Indo-European *h₂erǵ 'shiny, white') and atomic number...94 KB (11,248 words) - 04:16, 23 September 2024
- Chlorine is a chemical element; it has symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in...117 KB (13,043 words) - 13:36, 1 October 2024
- Sulfuric acid (American spelling and the preferred IUPAC name) or sulphuric acid (Commonwealth spelling), known in antiquity as oil of vitriol, is a mineral...64 KB (7,163 words) - 13:22, 3 October 2024
- Methane (US: /ˈmɛθeɪn/ METH-ayn, UK: /ˈmiːθeɪn/ MEE-thayn) is a chemical compound with the chemical formula CH4 (one carbon atom bonded to four hydrogen...90 KB (8,771 words) - 16:01, 30 September 2024
- Manganese is a chemical element; it has symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with...86 KB (9,715 words) - 05:06, 26 September 2024
- Calcium is a chemical element; it has symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride...47 KB (5,901 words) - 03:24, 8 September 2024