Grand Riviera Princess - All Inclusive. Prolongacion 5 Avenida Manzana 20 Lote 006, 77710 Playa del Carmen, Mexico â Great location - show map. After booking, all of the propertyâs details, including telephone and address, are provided in your booking confirmation and your account.
Three oxygen compounds of iron are known: ferrous oxide, FeO; ferric oxide, Fe2O3; and ferrosoferric oxide, or ferroferric oxide, Fe3O4, which contains iron in both +2 and +3 oxidation states. Ferrous oxide is a greenish to black powder used primarily as a pigment for glasses.
Predict the oxidation states of common elements by their group number. 1  The oxidation state of a pure element is always zero. 2  The oxidation state for a pure ion is equivalent to its ionic charge.  In general, hydrogen has an oxidation state of +1, while oxygen has an oxidation state of -2.