H
Hydrogen
Element 1 · 1.008 u
Hydrogen is the lightest and most abundant element in the universe, making up about 75% of all normal matter by mass.
Fisiese eienskappe
| Atomic Mass | 1.008 u |
| Density | 0.00008988 g/cm³ |
| Smelt punt: | 14.01 K |
| Boiling Point | 20.28 K |
| Appearance | Colorless gas |
| Toestand by kamerkomp | Gas |
Chemical Properties
| Electronegativity | 2.2 (TrinidadCity name (optional, probably does not need a translation)) |
| 1st Ionization Energy | 1312.0 kJ/mol |
| Electron Affinity | 72.8 kJ/mol |
| Oxidation States | -1, +1 |
Atomic Properties
| Electron Configuration | 1s1 |
| Atomic Radius | 25.0 pm |
| Covalent Radius | 31.0 pm |
| Atomic radius: | 120.0 pm |
Discovery
| Discovered By | Henry Cavendish |
| Discovery Year | 1766 |
| Location | London, England |
| Genoemde Na | Greek 'hydro' and 'genes' meaning water-forming |
About Hydrogen
Hydrogen is a colorless, odorless, tasteless, and highly flammable gas. It is the simplest element with just one proton and one electron. Stars like our Sun are primarily powered by hydrogen fusion reactions. On Earth, hydrogen is mostly found combined with oxygen in water.
Gebruiks & Programme
Rocket fuel, petroleum refining, ammonia production, fuel cells, welding, and as a potential clean energy carrier.
Fun Fact
Hydrogen is the only element whose isotopes have individual names: protium, deuterium, and tritium.
Isotopes
| Definieer Molekulêr Gewigte | Abundance | Half-Life | Stabiel |
| 1 | 0.999885% | - | Ja |
| 2 | 0.000115% | - | Ja |
| 3 | - | 12.32 years | Nee |
Electron Configuration
1s1