Each molecule of water is made up of two hydrogen atoms bonded to one oxygen atom. In 1766, during an acid metal reaction, Henry Cavendish first formally recognized hydrogen. In 1781 he also found that hydrogen produces water when burned.
voe. 1  first-person singular present subjunctive of. 2  third-person singular present subjunctive of.
What is a VOC? A VOC is a Volatile Organic Compound. The way a chemist uses that phrase, the word volatile describes a liquid that evaporates at room temperature, and the word organic means it is a compound that contains carbon. Thousands of different VOCs, some natural and some man-made, can be found in the air.