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.
Bill Clinton. George W. Bush. John Adams was the second President of the United States. He was a member of both Continental Congresses and he signed the Declaration of Independence. He was the first Vice President of the United States.hen George Washington refused a third term in 1797, Adams was elected President (1797-1801). In 1797, Adams became the second President of the United States. He was the first President who belonged to a political party-the Federalists. The Federalist Party was formed while George Washington was President.