Metal oxides can be compounds that contain alkali metals, alkaline earth metals and transition metals. oxidation number of the metal, and of the Roman number that you must use. Formula: W = (w2 - w1) grams E w =[w2 / (w2 - w1)] * atomic weight of oxygen This is an chemistry calculator that calculates the equivalent weight of the oxygen from the given metal and metal oxides. Molar volume of MgO = (24.31+16.00) (g/mol) / 3.58 (g/mL) = 11.3 mL / mol. The rust formed is generally represented by. There are various ways in which acids react with different metal compounds. Molar volume of Mg = 24.31 (g/mol) / 1.74 (g/mL) = 14.0 mL / mol There is no need to memorize all these minerals, but you get the idea of varieties of iron oxides and oxyhydroxides. It has been a well known fact that aluminum oxide forms a protective scale. Missed the LibreFest? What are the major iron oxides and their structures? For more information contact us at info@libretexts.org or check out our status page at https://status.libretexts.org. Ammonium Boron Oxide. lepidocrocite g-FeOOH. (NH4)2B4O7. quienes pueden combinarla con otra informaci�n que les haya proporcionado o que hayan recopilado a partir del uso que haya hecho de sus Extensive pitting eventually causes structural weakness and disintegration of the metal. servicios. In these compounds oxygen has an oxidation number �1. Acids combined with metal carbonates produce a salt, water and carbon dioxide. However, when water is involved, several oxyhydroxides are possible: goethite a-FeOOH In Names you have an exercise to write the formulae for these substances Then, the rate is a combination of the linear rule and the parabolic law. if(MSFPhover) { MSFPnav7n=MSFPpreload("_derived/obformulas_4.htm_cmp_zona2010_hbtn.gif"); MSFPnav7h=MSFPpreload("_derived/obformulas_4.htm_cmp_zona2010_hbtn_a.gif"); } akaganeite b-FeOOH There is no set rate laws, and every case must be studied carefully. Metal oxides are very common commodities, widely applied, and have many different varieties. Iron oxides are also the raw material for all magnets and magnetic materials used for computer disks and recording tapes. between brackets and in Roman numbers. The two terminals of MOS-Capacitor consist of the main structures in MOS devices and it is the simplest structure of MOS devices. When the oxide forms a good protective layer, the logarithmic rate law and the inverse logarithmic rate law) have been applied. Iron (II,III) oxide, black, ore of iron. hematite a-Fe2O3 Cobalt (III) oxide, black. Write the symbol of the first element with the oxidation the oxygen has an oxidation number �2. A certain metal oxide has the formula MO where M denotes the metal. (((navigator.appName == "Netscape") && If O has an atomic mass of 16.00 amu, calculate the atomic mass of M and identify the element. The copper we will discuss in this lesson is the type of copper that is bonded to oxygen. // -->