Share. By Anne Marie Helmenstine, Ph.D. Definition: Valence bond theory is a chemical bonding theory that explains the bonding between two atoms is caused by the overlap of half-filled atomic orbitals. The two atoms share each other's unpaired electron to form a filled orbital to form a hybrid orbital and bond together.
The Second Continental Congress was a convention of delegates from the Thirteen Colonies that started meeting in the summer of 1775, in Philadelphia, Pennsylvania, soon after warfare in the American Revolutionary War had begun.
Definition and Summary of the Second Great Awakening: The Second Great Awakening was a Christian revivalist movement that featured large revival meetings where zealous preachers expressed their ideas to the American public which sparked social reformation such as the Temperance Movement, Women's suffrage and the Anti-Slavery Abolitionist Movement.