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.
The First Continental Congress was a meeting of delegates from twelve of the thirteen colonies that met on September 5 to October 26, 1774 at Carpenters' Hall in Philadelphia, Pennsylvania, early in the American Revolution.heir appeal to the Crown had no effect, and so the Second Continental Congress was convened the following year to organize the defense of the colonies at the onset of the American Revolutionary War. The delegates also urged each colony to set up and train its own militia.