User contributions
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)
- 13:42, 1 March 2020 (diff | hist) . . (+1,056) . . N Enthalpy of vaporization (Created page with "{{Stub}} The '''enthalpy of vaporization''', (symbol '''∆H<sub>vap</sub>''') also known as the '''(latent) heat of vaporization''' or '''heat of evaporation''', is the amoun...")
- 13:12, 1 March 2020 (diff | hist) . . (+902) . . N Picometre (Created page with "{{Stub}} The '''picometre''' or '''picometer''' (American spelling) (international spelling as used by the International Bureau of Weights and Measures; SI symbol: '''pm''') i...")
- 13:05, 1 March 2020 (diff | hist) . . (+22) . . Anion
- 13:04, 1 March 2020 (diff | hist) . . (+1,489) . . N Kelvin (Created page with "{{Stub}} The '''Kelvin''' is the base unit of temperature in the International System of Units (SI), having the unit symbol '''K'''. It is named after the Belfast-born, Gl...")
- 12:44, 1 March 2020 (diff | hist) . . (+348) . . N Cation (Created page with "{{Stub}} A '''cation''' (+) (/ˈkætˌaɪ.ən/), from the Greek word κάτω (káto), meaning "down", is an ion with fewer electrons than protons, giving it a positiv...")
- 12:39, 1 March 2020 (diff | hist) . . (+584) . . N Anion (Created page with "{{Stub}} An '''anion''' (−) (/ˈænˌaɪ.ən/), from the Greek word ἄνω (ánō), meaning "up", is an ion with more electrons than protons, giving it a net negati...")
- 12:07, 1 March 2020 (diff | hist) . . (+926) . . N Ligand (Created page with "{{Stub}} In coordination chemistry, a '''ligand''' is an ion or molecule (functional group) that binds to a central metal atom to form a coordination complex. The bonding with...") (current)
- 11:58, 1 March 2020 (diff | hist) . . (+1,147) . . N Coefficient of thermal expansion (Created page with "{{Stub}} The '''coefficient of thermal expansion''' describes how the size of an object changes with a change in temperature. Specifically, it measures the fractional change i...") (current)
- 11:55, 1 March 2020 (diff | hist) . . (+551) . . N Atomic radius (Created page with "{{Stub}} The '''atomic radius''' of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the center of the nucleus to the bo...") (current)
- 11:53, 1 March 2020 (diff | hist) . . (+273) . . N Van der Waals radius (Created page with "{{Stub}} The '''van der Waals radius''', '''r<sub>w</sub>''', of an atom is the radius of an imaginary hard sphere representing the distance of closest approach for anothe...") (current)
- 11:47, 1 March 2020 (diff | hist) . . (+551) . . N Brinell hardness test (Created page with "{{Stub}} The '''Brinell hardness test''' is used to determine the indentation hardness of materials through the scale of penetration of an indenter, loaded on a material test-...") (current)
- 11:45, 1 March 2020 (diff | hist) . . (+1,213) . . N Vickers hardness test (Created page with "{{Stub}} The '''Vickers hardness test''' was developed in 1921 by Robert L. Smith and George E. Sandland at Vickers Ltd as an alternative to the Brinell hardness test|Brinel...") (current)
- 11:39, 1 March 2020 (diff | hist) . . (+737) . . N Poisson's ratio (Created page with "{{Stub}} '''Poisson's ratio''' is a measure of the Poisson effect, that describes the expansion of a material in directions perpendicular to the direction of compression. The...") (current)
- 11:28, 1 March 2020 (diff | hist) . . (+224) . . List of chemistry Youtube channels
- 11:03, 1 March 2020 (diff | hist) . . (+48) . . Chemical demonstrations
- 20:44, 29 February 2020 (diff | hist) . . (-5) . . Tetralin
- 20:23, 29 February 2020 (diff | hist) . . (+32) . . Category:Chlorides
- 19:31, 29 February 2020 (diff | hist) . . (+8) . . Ammonium sulfamate
- 19:27, 29 February 2020 (diff | hist) . . (+42) . . Safe handling and storage of chemicals (→Incompatible chemicals)
- 19:25, 29 February 2020 (diff | hist) . . (+394) . . Proper disposal of chemicals (→Chemical disposal table)
- 19:23, 29 February 2020 (diff | hist) . . (+136) . . Density (→Common densities)
- 19:21, 29 February 2020 (diff | hist) . . (+127) . . N Category:Tetrafluoroborates (Created page with "Chemical compounds containing the anion {{chem|BF|4|−}}. Category:Chemical compounds Category:Fluorine compounds") (current)
- 19:21, 29 February 2020 (diff | hist) . . (+4,853) . . N Ammonium tetrafluoroborate (Created page with "{{Chembox | Name = Ammonium tetrafluoroborate | Reference = | IUPACName = Ammonium tetrafluoroborate | PIN = | SystematicName = | OtherNames = Ammonium fluoroborate<br>Azanium...") (current)
- 18:21, 29 February 2020 (diff | hist) . . (+188) . . Acetamide (current)
- 18:17, 29 February 2020 (diff | hist) . . (+51) . . N File:Acetamide prepared product by TheCanadianChemist.jpg (Source: https://www.youtube.com/watch?v=J4oDTWYqNwI) (current)
- 17:58, 29 February 2020 (diff | hist) . . (+75) . . Acetamide (→Preparation)
- 17:39, 29 February 2020 (diff | hist) . . (+130) . . Lithium aluminium hydride (current)
- 17:38, 29 February 2020 (diff | hist) . . (+51) . . N File:Lithium aluminium hydride sample bottle by ChemicalForce.jpg (Source: https://www.youtube.com/watch?v=IqlyWd5Q6Ac) (current)
- 17:21, 29 February 2020 (diff | hist) . . (+177) . . Tin(IV) chloride
- 17:16, 29 February 2020 (diff | hist) . . (+51) . . N File:Tin(IV) chloride fuming in air by ChemicalForce.jpg (Source: https://www.youtube.com/watch?v=2-CbgjdFZ8g) (current)
- 17:12, 29 February 2020 (diff | hist) . . (+34) . . Safe handling and storage of chemicals (→Incompatible chemicals)
- 17:12, 29 February 2020 (diff | hist) . . (+410) . . Proper disposal of chemicals (→Chemical disposal table)
- 17:09, 29 February 2020 (diff | hist) . . (+302) . . Density (→List of densities)
- 17:07, 29 February 2020 (diff | hist) . . (+128) . . Density (→Common densities)
- 17:06, 29 February 2020 (diff | hist) . . (+6,030) . . N Iodine trichloride (Created page with "{{Chembox | Name = Iodine trichloride | Reference = | IUPACName = Iodine trichloride | PIN = | SystematicName = | OtherNames = Diiodine hexachloride (dimer)<br>iodine(III) chl...") (current)
- 17:03, 29 February 2020 (diff | hist) . . (+51) . . N File:Iodine trichloride old scraped to reveal yellow color by ChemicalForce.jpg (Source: https://www.youtube.com/watch?v=2-CbgjdFZ8g) (current)
- 17:00, 29 February 2020 (diff | hist) . . (+51) . . N File:Iodine trichloride sample old and red by ChemicalForce.jpg (Source: https://www.youtube.com/watch?v=2-CbgjdFZ8g) (current)
- 16:56, 29 February 2020 (diff | hist) . . (+51) . . N File:Iodine trichloride ampoule sample by ChemicalForce.jpg (Source: https://www.youtube.com/watch?v=2-CbgjdFZ8g) (current)
- 15:51, 29 February 2020 (diff | hist) . . (+275) . . N Category:Interhalogens (Created page with "Interhalogen compounds are chemical compounds which contains two or more different halogen atoms (fluorine, chlorine, bromine, iodine or astatine) and no atoms...") (current)
- 15:50, 29 February 2020 (diff | hist) . . (+27) . . Interhalogen
- 11:34, 29 February 2020 (diff | hist) . . (0) . . Potassium nitrate
- 11:31, 29 February 2020 (diff | hist) . . (+31) . . Safe handling and storage of chemicals (→Incompatible chemicals)
- 11:30, 29 February 2020 (diff | hist) . . (+515) . . Proper disposal of chemicals (→Chemical disposal table)
- 11:27, 29 February 2020 (diff | hist) . . (+4,777) . . N Lithium nitrate (Created page with "{{Chembox | Name = Lithium nitrate | Reference = | IUPACName = Lithium nitrate | PIN = Lithium nitrate | SystematicName = Lithium nitrate | OtherNames = Nitric acid, lithium s...") (current)
- 11:07, 29 February 2020 (diff | hist) . . (+47) . . Sodium nitrate
- 10:48, 29 February 2020 (diff | hist) . . (+33) . . Category:Metal amides (current)
- 10:44, 29 February 2020 (diff | hist) . . (+33) . . Category:Manganates (current)
- 10:38, 29 February 2020 (diff | hist) . . (+33) . . Safe handling and storage of chemicals (→Incompatible chemicals)
- 10:33, 29 February 2020 (diff | hist) . . (+617) . . Proper disposal of chemicals (→Chemical disposal table)
- 10:31, 29 February 2020 (diff | hist) . . (+122) . . Density (→Common densities)
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)