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 • May 17, 2024

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

From Science Magazine • Dec. 29, 2023

Visbal, E., Barkana, R., Fialkov, A., Tseliakhovich, D. & Hirata, C. M. The signature of the first stars in atomic hydrogen at redshift 20.

From Nature • Feb. 27, 2018

At any given time in the Milky Way, the majority of the interstellar gas by mass and volume is in the form of atomic hydrogen.

From Textbooks • Oct. 13, 2016

The atomic hydrogen reaction stores more energy per gram than any other chemical reaction known.

From The Black Star Passes by Campbell, John Wood