Hydrogen itself is formed from further subatomic particles. Asâ¦ elements, each are formed when atoms of that element collide and form covalent bonds (apart from carbon, which requires large amounts of pressure and heat).
For other uses, see Federal Convention (disambiguation). The Constitutional Convention(also known as the Philadelphia Convention, the Federal Convention, or the Grand Convention at Philadelphia) took place from May 25 to September 17, 1787, in Philadelphia, Pennsylvania.
This convention lead to the birth of the U.S. Constitution, which was and still is considered the supreme law. The Constitutional Convention was held at the State House in Philadelphia on May 14, 1778. Those who attended the convention were chosen by the state legislatures.