what is the chemical formula of magnesium trioxocarbonate
The most common magnesium carbonate forms are the anhydrous salt called magnesite (MgCO3) and the di, tri, and pentahydrates known as barringtonite (MgCO3·2 H2O), nesquehonite (MgCO3·3 H2O), and lansfordite (MgCO3·5 H2O), respectively.[5] Some basic forms such as artinite (MgCO3·Mg(OH)2·3 H2O), hydromagnesite (4 MgCO3·Mg(OH)2·4 H2O), and dypingite (4 MgCO3· Mg(OH)2·5 H2O) also occur as minerals.
Magnesite consists of white trigonal crystals. The anhydrous salt is practically insoluble in water, acetone, and ammonia. All forms of magnesium carbonate react with acids. Magnesium carbonate crystallizes in the calcite structure wherein Mg2+ is surrounded by six oxygen atoms. The dihydrate has a triclinic structure, while the trihydrate has a monoclinic structure.
References to "light" and "heavy" magnesium carbonates actually refer to the magnesium hydroxy carbonates hydromagnesite and dypingite (respectively).[6]
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The chemical formula of magnesium trioxocarbonate can be determined using the valencies of the elements involved. To determine the valencies, you can refer to the periodic table.
First, we have magnesium (Mg), which is an alkaline earth metal located in Group 2 of the periodic table. The valency of magnesium is +2 because it tends to lose two electrons to achieve a stable electron configuration.
Next, we have trioxocarbonate, which is a polyatomic ion consisting of three oxygen atoms and one carbon atom. The valencies of the oxygen and carbon atoms can be determined based on their positions in the periodic table.
Oxygen (O) is located in Group 16, also known as the oxygen family or chalcogens. The valency of oxygen is -2 because it tends to gain two electrons to achieve a stable electron configuration.
Carbon (C) is located in Group 14, also known as the carbon family or tetrels. The valency of carbon is +4 or -4, but in this case, it will be +4 to balance the overall charge of the trioxocarbonate ion.
Putting it all together, the chemical formula of magnesium trioxocarbonate is MgCO3. The subscript 3 indicates that there are three oxygen atoms in the trioxocarbonate ion.