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.
In 1775, the Second Continental Congress convened after the American Revolutionary War (1775-83) had already begun. In 1776, it took the momentous step of declaring Americaâs independence from Britain.rom 1774 to 1789, the Continental Congress served as the government of the 13 American colonies and later the United States.