General Information
| Symbol: | H |
| Atomic Number: | 1 |
| Atomic Weight: (Atomic Mass, Molar Mass) | 1.00794 |
| Group: | 1 (alkali metals or hydrogen family/lithium family) |
| IA (Old IUPAC), IA (CAS) |
| Period: | 1 |
| Block: | s |
Physical Properties
| Density: | 6.99e-05 g/cm3 |
| Atomic Volume: | 14.1 cm2/mole |
| Atomic Radius: | 2.08 angstroms |
| Covalent Radius: | 37 pm |
| Radioactive: | No |
States
| Melting Point: | -259.1 °C |
| Boiling Point: | -252.9 °C |
| Heat Of Fusion: | 0.05868 kJ/mole |
| Heat Of Vaporization: | 0.4581 kJ/mole |
Energy
| Electronegativity: | 2.2 (Pauling Scale) |
| Electron Affinity: | -73 kJ/mol |
| 1st Ionization Energy: | 1312 kJ/mol |
| Specific Heat Capacity: | 14.304 J g−1 K−1 |
| Thermal Conductivity: | 0.1815 W·m−1·K−1 |
Electrons & Oxidation
| Oxidation States: | ±1 |
| Electrons Per Shell: | 1 |
| Electron Configuration: | 1s1 |
| 1s1 |
| 1s1 |
History
| Discovered In: | 1766 |
| Discovered By: | Henry Cavendish |
| Discovered At: | London, England |
| Word Origin: | From the Greek words "hydro" and "genes" meaning "water" and "generator" |
Translations
| English | Hydrogen |
| Deutsch | Wasserstoff |
| Lëtzebuergesch | Waasserstoff |
| Nederlands | Waterstof |
| Afrikaans | Waterstof |
| Frysk | Wetterstof |
| Dansk | Hydrogen or Brint |
| Svenska | Väte |
| Norsk | Hydrogen |
| Íslenska | Vetni or Vatnsefni |
| Føroysk | Vatnevni or Vetni |
| Latin | Hydrogenium |
| Français | Hydrogène |
| Español | Hidrógeno |
| Catalana | Hidrogen |
| Occitana | Idrogèn |
| Português | Hidrogéno |
| Galego | Hidróxeno |
| Italiano | Idrogeno |
| Furlan | Idrogjen |
| Român | Hidrogen |
| Moldavian | Hidrogen |
| Armãneashte | Hidroghenu |
| Русский | Водород |
| Українска | Водень |
| by | Вадарод |
| Polska | Wodór |
| Kaszëbsczi | Wòdzyk |
| Čech | Vodík |
| Slovenský | Vodík |
| Slovenščina | Vodik |
| Hrvatska | Vodik |
| Српски | Водоник |
| Bosnian | Vodonik, Vodik |
| Македонски | Водород |
| Български | Водород |
| Lietuviškai | Vandenilis |
| Lao | Ūdeņradis |
| Sudovian | Undnilis |
| Cymraeg | Hydrogen |
| Gaeilge na hÉireann | Hidrigin |
| Gàidhlig na h | Hidrigin |
| Gaelg Vanninagh | Hiddragien |
| Cornish | Hydrojen |
| Brezhoneg | Hidrogen |
| Ελληνική | Ύdρογονο |
| Shqip | Hidrogjen |
| Ossetian | Донгуыр |
| Euskera | Hidrogenoa |
| Georgian | წყალბადი |
| Suomi | Vety |
| Eesti | Vesinik |
| Magyar | Hidrogén |
| Türkçe | Hidrojen |
| Kazakh | Сутек |
| Uzbek | Водород |
| Tajik | Gidrogen |
| Mongolian | Устөрөгч |
| 日本語 | 水素 [suiso] |
| 中国话 | 氫 |
| ไทย | ไฮโดรเจน |
| Vietnamese | Hyđrô, Hiđro |
| Bahasa Melayu | Hidrogen |
| العربيه | هيدروجين |
| Il-Malti | Ħajdroġin |
| עברית | מימן |
| Esperanto | Hidrogeno |
Links
Misspellings: gydrogen, bydrogen, nydrogen, jydrogen, uydrogen, yydrogen, htdrogen, hgdrogen, hhdrogen, hudrogen, h7drogen, h6drogen, hysrogen, hyxrogen, hycrogen, hyfrogen, hyrrogen, hyerogen, hydeogen, hyddogen, hydfogen, hydtogen, hyd5ogen, hyd4ogen, hydrigen, hydrkgen, hydrlgen, hydrpgen, hydr0gen, hydr9gen, hydrofen, hydroven, hydroben, hydrohen, hydroyen, hydroten, hydrogwn, hydrogsn, hydrogdn, hydrogrn, hydrog4n, hydrog3n, hydrogeb, hydrogem, hydrogej, hydrogeh, ydrogen, hdrogen, hyrogen, hydogen, hydrgen, hydroen, hydrogn, hydroge, yhdrogen, hdyrogen, hyrdogen, hydorgen, hydrgoen, hydroegn, hydrogne, hhydrogen, hyydrogen, hyddrogen, hydrrogen, hydroogen, hydroggen, hydrogeen, hydrogenn
