The two airports closest to MCB Quantico are Dulles International, located in Centerville, Va., and Ronald Reagan Washington National, in Washington, D.C. Shuttle services are available from both. The town of Quantico is a stop for both Amtrak and Virginia Railway Express train services.
Lithium is a very soft silvery metal, and can be cut with a knife just like butter. Lithium tarnishes quickly in the air, and will turn black within seconds. It is the lightest metal. Its density is only 0.53 g/cm^3, about the same as pine wood. Lithium is light enough to float in water.
Ion diagram; Lithium, Li. Lithium is in Group 1. It has one electron [electron: An electron is a very small negatively-charged particle found in an atom in the space surrounding the nucleus.] in its outer shell. When this electron is lost, a lithium ion Li + is formed. A lithium ion has the same electronic structure as a helium atom (He). Sodium, Na