A food safety management system is a group of _____ preventing foodborne illness? to identify and control possible hazards What is the purpose of a food safety management system?
Diatomic elements are all gases, and they form molecules because they don't have full valence shells on their own. The diatomic elements are: Bromine, Iodine, Nitrogen, Chlorine, Hydrogen, Oxygen, and Fluorine.
Other elements exist in the form of molecules. For example many common gases exist as diatomic molecules e.g. oxygen (O2), hydrogen (H2), and nitrogen (N2). Note: This is one of a series of simple pages introducing key concepts in introductory chemistry.