An element with 17 protons will always be chlorine. However an element's mass ... Z, and different chemical symbol - they are not the same element. If the number of protons changes, then it ...

Scientists find chloronitramide anions form in water treated with chloramines, raising questions about the ions’ toxicity ...

Scientists have identified the byproduct of a chemical used to disinfect tap water and prevent waterborne illnesses.

A group of chemical compounds used to disinfect water for one-third of the US population and millions of others globally ...

About a third of U.S. residents have been receiving tap water containing a previously unidentified chemical byproduct, a new ...