Valence electrons are the outermost ring of electrons that are shared between atoms to form covalent ... How does electronegativity play a role in bonding? wiki.answers.com |
Valence electrons are electrons that can participate in a reaction to form a chemical bond. A covalent bond is a chemical bond that involves the sharing of the ... uk.ask.com |
A covalent bond is formed when atoms share valence electrons. The atoms do not always share the electrons equally, so a polar covalent bond may be the ... chemistry.about.com |