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.
When the Second Continental Congress came together on May 10, 1775 it was, in effect, a reconvening of the First Continental Congress.y the time the Second Continental Congress met, the American Revolutionary War had already started with the Battles of Lexington and Concord. The Congress was to take charge of the war effort.