Over one-third of the compounds were terpenoids, chemicals that plants use to ward off threats like insects and pathogens. Terpenoids are already known for their medicinal uses. Some can fight cancer, ...

Common solvents include water, ethanol and white spirit. A compound contains atoms of different elements, chemically joined together. Compounds form in chemical reactions, and you need other ...

Chemicals commonly used for decontamination and cleaning of ... Ozone and chlorine are much more reactive than chlorine dioxide, and they will be consumed by most organic compounds. Chlorine dioxide, ...

Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom.