1 The electron pair is equally shared, but controlled by the ligand. 2  The ligand is a lewis base, and acts as an electron pair donor. The metal is the electron acceptor and a lewis acid.  Most metals form cationic ions in solutions (electron acceptors), and participate in coordination complexes.
The United States is comprised of 50 states plus the District of Columbia. There are also five U.S. territories throughout the world: Guam, the U.S. Virgin Islands, American Samoa, Puerto Rico and the Northern Marianas Islands.
How many states are there in the US are there besides the US? How many jewelry stores in the US? How many US veterans are there in the US? According to the 2010 American Community Survey, the year of the last census, there were 21.8 million veterans living in the United States.