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.
Verification of employment. Verification of Employment (VOE) is a process used by banks and mortgage lenders in the United States to review the employment history of a borrower, to determine the borrower's job stability and cross-reference income history with that stated on the Uniform Residential Loan Application (Form 1103).
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.