Calcium and magnesium both are alkaline earth metal because both of them are in the group 2 of the periodic table of chemical elements. Magnesium can easily be molded, shaped, bend and cut and can be turned … Calcium and magnesium are two chemical elements in the group 2 of the periodic table of elements. @media (max-width: 1171px) { .sidead300 { margin-left: -20px; } } although they are in the same group, they are in different periods of the periodic table because calcium has one extra electron shell than that of magnesium. Magnesium belongs to the Group 2 (IIA) of periodic tables which makes it one of the alkaline earth elements. Available here, 1.”Calcium (20 Ca)”By Hi-Res Images ofChemical Elements (CC BY 3.0) via Commons Wikimedia   3. Whereas, magnesium is a chemical element having the atomic number 12 and chemical symbol Mg. Calcium is a chemical element having the atomic number 20 and chemical symbol Ca. The electron configuration of magnesium is [Ne] 3s2. Magnesium react with oxygen at room temperature, forming a passivating layer of MgO on the surface. When it burns in air, magnesium produces a brilliant white light. It also is an alkaline earth metal. The most common oxidation state is +2, but it may form +1 oxidation state as well. It has a hexagonal close-packed crystal structure. And, the electron configuration is [Ne] 3s2. On the otherhand, the standard atomic weight of Mg is 24.305. Therefore, it is an s block element. It is in the group 2 and period 4 of the periodic table. What is Magnesium Magnesium is a chemical element with atomic number 12 which means there are 12 protons and 12 electrons in the atomic structure. Calcium is a chemical element having the atomic number 20 and chemical symbol Ca. 2 Mg (s) + O 2 (g) 2 MgO (s) 3 Mg (s) + N 2 (g) Mg 3 N 2 (s) 1. Compare the Difference Between Similar Terms. The melting point and boiling points are 650 °C and 1091 °C respectively. Magnesium (Mg), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table, and the lightest structural metal. Mg(II) is not precipitated by phosphate ions under acetic acid conditions. It also is an alkaline earth metal. All rights reserved. This chemical element occurs as sedimentary rocks such as limestone, mainly in two forms; calcite and aragonite. It does however react with steam, forming magnesium oxide, MgO, or magnesium hydroxide, Mg(OH). Madhu is a graduate in Biological Sciences with BSc (Honours) Degree and currently persuing a Masters Degree in Industrial and Environmental Chemistry. Method 3500-Mg C Inductively Coupled Plasma Method [1]. A portion of the sample is digested in a combination of acids. We find Magnesium in the second position in the periodic table. The standard atomic weight of this element is 40.078. The metal reacts with water to produce hydrogen gas. Therefore, it has 3 electron shells containing electrons. the electron configuration of this element is [Ar] 4s2. The key difference between calcium and magnesium is that the calcium appears as a dull grey metal with a pale yellow tint whereas the magnesium appears as a shiny grey metal. Magnesium and its alloys have very good corrosion resistance and good high temperature mechanical properties. Magnesium is a chemical element having the atomic number 12 and chemical symbol Mg. Magnesium occurs in mineral deposits such as magnesite, dolomite, etc. Figure 01: Calcium Metal with the Dark Oxide-Nitride Layer. What is Calcium Moreover, there are many other uses such as in the production of aluminium alloys, die-casting (alloyed with zinc), removing sulfur in the production of iron and steel, and the production of titanium in the Kroll process. Magnesium will react with cabon dioxide, when heated, forming magnesium oxide and elemental carbon [6]: Mg(II) is precipitated by carbonate ions as an alkaline carbonate. This alkaline earth metal has atomic number 12 and element symbol Mg. The below infographic presents more details on the difference between calcium and magnesium in tabular form. Summary. Ammonia will also precipitate Mg(II) as hydroxide, but the precipitation is incomplete. This is the ninth most abundant chemical element on in the universe. 6. Copyright, ownership information and cookies- and privacy policy. Magnesium is the most chemically active element. Crystals of pure magnesium metal. It locates in the group 2 and period 3 of the periodic table. Magnesium metal dissolves readily in acids, even weak ones, forming Mg(II) ions and hydrogen, H, Magnesium react with oxygen at room temperature, forming a passivating layer of MgO on the surface. The key difference between calcium and magnesium is that the calcium appears as a dull grey metal with a pale yellow tint whereas the magnesium appears as a shiny grey metal. 5. Magnesium is a silvery-white metal and is moderately hard. Moreover, it has 4 electron shells containing electrons. It is a shiny grey metal. “Calcium.” Wikipedia, Wikimedia Foundation, 13 Aug. 2018. Magnesium is a silvery-white, low density, reasonably strong metal that tarnishes in air to form a thin oxide coating. The atomic number of calcium is 20 whereas the atomic number of magnesium is 12. Therefore, they have different chemical and physical properties. 2. In addition to that, this metal has many uses. A precipitate can sometimes be observed due to the alkaline properties of hydrogen sulfide, Magnesium does not react with liquid water at room temperature. With a mind rooted firmly to basic principals of chemistry and passion for ever evolving field of industrial chemistry, she is keenly interested to be a true companion for those who seek knowledge in the subject of chemistry. Difference Between Absorptivity and Molar Absorptivity, Difference Between Point Defect and Line Defect, Difference Between Hydrated Salt and Anhydrous Salt, Difference Between Calcium Carbonate and Calcium Bicarbonate, Difference Between Light and Heavy Magnesium Carbonate, Similarities Between Calcium and Magnesium, Side by Side Comparison – Calcium vs Magnesium in Tabular Form, Difference Between Coronavirus and Cold Symptoms, Difference Between Coronavirus and Influenza, Difference Between Coronavirus and Covid 19, Difference between Conduction and Induction, Difference Between Perfect Competition and Oligopoly, Difference Between Cotyledon and Endosperm, Difference Between Nicotinamide and Nicotinamide Riboside, Difference Between Bleaching Action of SO2 and Cl2, Difference Between Collagen Elastin and Reticular Fibers, Difference Between Oxalic Acid and Acetic Acid, Calcium and Magnesium are in the category of alkaline earth metals, Both are in the group 2 of the periodic table of elements, Calcium and Magnesium both have 2 electrons in the outermost s orbital, Both are solids at standard temperature and pressure. The pure element is a silver-colored metal, but it tarnishes in air to give it a dull appearance. (adsbygoogle = window.adsbygoogle || []).push({}); Copyright © 2010-2018 Difference Between. It is an s block element, and it occurs as a solid at standard temperature and pressure. The most common and stable oxidation state is +2, but it can form +1 oxidation state as well. Side by Side Comparison – Calcium vs Magnesium in Tabular Form Terms of Use and Privacy Policy: Legal. For example, it is a common structural metal. When considering the uses of this metal, the largest use is in steelmaking. Magnesium is a chemical element having the atomic number 12 and chemical symbol Mg. Magnesium is an element that is essential for human nutrition. 2. 1. According to its atomic number, it locates in the group 2 and period 3 of the periodic table. What is Magnesium Apart from that, its electron configuration is [Ar] 4s2. Therefore, it has 3 electron shells containing electrons. All the elements in the group 2 are categorized as alkaline earth metals. Furthermore, the atomic number of calcium is 20 whereas the atomic number of magnesium is 12.

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