atomic hydrogen

American  

noun

Chemistry.

1. hydrogen in the form of single atoms, rather than molecules, which makes it extremely reactive.

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Example Sentences

To address this, the research team has introduced a model that predicts the dehydrogenation barriers using easily computable parameters: the crystal Hamilton population orbital of the Mg-H bond and the distance between atomic hydrogen atoms.

From Science Daily

With it, they zoomed in on radio waves emitted by atomic hydrogen gas.

From Science Magazine

Palmstrøm continues to meticulously prepare semiconductor nanowires for study, baking them in a foil-wrapped vacuum to expel unwanted gas molecules, scrubbing them with a pressure hose of atomic hydrogen to remove every last contaminating atom, and coating them with a thin superconducting jacket.

From Science Magazine

Previous studies have revealed that protons from the solar wind that bombards the moon can absorb electrons from materials at its surface, forming atomic hydrogen that then reacts with oxygen atoms from silicate rocks to make hydroxyl—a molecule just one hydrogen atom short of water.

From Scientific American

Chowdhury et al. now present a direct measurement of the emission from neutral atomic hydrogen in galaxies at a period close to the peak epoch of galaxy assembly.

From Nature