The Uniform Crime Reports program began in 1930, and since then has become an important source of crime information for law enforcement, policymakers, scholars, and the media.
The molecular formula for water is H2O. One molecule of water consists of one oxygen atom which is covalently bonded to two hydrogen atoms.
The chemical formula for water is H2O. The subscripted 2 indicates that there are two atoms of hydrogen in one water molecule. No subcripted number means there is just one aâ¦tom in the molecule, meaning there are two hydrogen atoms and one oxygen atom.