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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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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

Much of the gas near the Sun is atomic hydrogen.

From Textbooks Aug. 12, 2015

We have had atomic hydrogen welding for some time, and atomic hydrogen releases some 100,000 calories per mole of molecular hydrogen; two grains of gas give one hundred thousand calories.

From The Black Star Passes by Campbell, John Wood

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