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Use "hydrogens" in a sentence
"The actual chemical explanation, of course, is that the lone electron pair in a water molecule forces the hydrogens away from 180 degrees, with the result that the electric charge is unevenly distributed."
"Some kind of blah blah blah about watching plumes and looking for the hydrogens and history of Earth and what not."
"CDK atom typing is used for a variate of algorithms, including counting implicit hydrogens, which many other algorithms need to know."