|When bonded to a more electronegative element, particularly , , or , hydrogen can participate in a form of medium-strength noncovalent bonding with another electronegative element with a lone pair, a phenomenon called that is critical to the stability of many biological molecules||These compounds are often known as|
|No plot is connected, there is no end to any of it||Upon warming, the mixture vaporizes to allow the atomic species to recombine, heating the mixture to high temperature|
Further research continues in several laboratories, including at Karlsruhe Liquid-metal Laboratory KALLA and the chemical engineering laboratory at University of California — Santa Barbara Steam reforming industrial method Illustrating inputs and outputs of steam reforming of natural gas, a process to produce hydrogen Hydrogen is often produced using natural gas, which involves the removal of hydrogen from hydrocarbons at very high temperatures, with 48% of hydrogen production coming from steam reforming.17
|Coolant See also: , , and Hydrogen is not an energy resource as a combustion fuel because there is no naturally occurring source of hydrogen in useful quantities||Under anaerobic conditions, Fe OH 2 can be oxidized by the protons of water to form and H 2|
|A bare proton, H + , cannot exist in solution or in ionic crystals because of its unstoppable attraction to other atoms or molecules with electrons||H 2 is also used as a for the conversion of some to the metals|
According to quantum theory, this behavior arises from the spacing of the quantized rotational energy levels, which are particularly wide-spaced in H 2 because of its low mass.