Magnesium oxide Magnesium oxide Magnesium oxide (MgO), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide). It has an empirical formula of and consists of a lattice of Mg ions and O ions held together by ionic bonding. Magnesium hydroxide forms in the presence of water (MgO + HO → Mg(OH)), but it can be reversed by heating it to separate moisture. Magnesium oxide was historically known as magnesia alba (literally, the white mineral from magnesia – other sources give magnesia alba as MgCO), to differentiate it from "magnesia
How to Build a Better Boy How to Build a Better Boy How to Build a Better Boy is a Disney Channel Original Movie directed by Paul Hoen and written by Jason Mayland. It stars China Anne McClain, Kelli Berglund and Marshall Williams. The first images were shown during a promo for Disney Channel's Summer 2014, while the first promo aired on June 27, 2014 during the premiere of the Disney Channel Original Movie "Zapped". The film premiered on August 15, 2014. The movie premiered on Disney Channel UK on September 19, 2014. Mae Hartley and Gabby Harrison are intelligent tenth graders. Mae has a crush