Magnesium oxide (MgO), or magnesia, can be a white hygroscopic stable mineral that happens naturally as periclase and it is a source of magnesium (see also oxide). It's got an empirical formulation of MgO and includes a lattice of Mg2+ ions and O2− ions held with each other by ionic https://palladiumoncarbon68062.liberty-blog.com/15646987/not-known-details-about-palladium-on-carbon-5