HEART DISEASE is the number one cause of death in the United States, for women as well as men. The various forms of heart disease, which. include coronary artery disease (CAD), high blood pressure, atheroÂ­. sclerosis, heart failure and heart attacks, are responsible for over. 250,000 deaths a year among women. Research-based strategies to promote.
A: A valence electron is a type of electron present in an atom that works to aid in the process of chemical bond formation with other atoms. These electrons a... Full Answer > Filed Under: Atoms & Molecules.
hydrogen bond. A chemical bond in which a hydrogen atom that is already bonded to an atom in a molecule forms a second bond with another atom, either in the same molecule or in a different one. The second atom is usually of a type that strongly attracts electrons, such as nitrogen or oxygen.ydrogen bond. n. 1. (Chemistry) a weak chemical bond between an electronegative atom, such as fluorine, oxygen, or nitrogen, and a hydrogen atom bound to another electronegative atom.