Magnesium is an element that is essential for human nutrition. Mg(II) is not precipitated by phosphate ions under acetic acid conditions. 4. When ingited, Mg reacts with both oxygen and nitrogen forming a mixture of magnesium oxide, MgO, and magnesium nitride, Mg 3 N 2. This alkaline earth metal has atomic number 12 and element symbol Mg. Similarities Between Calcium and Magnesium Magnesium (Mg), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table, and the lightest structural metal. Madhu is a graduate in Biological Sciences with BSc (Honours) Degree and currently persuing a Masters Degree in Industrial and Environmental Chemistry. Overview and Key Difference Therefore, it is an s block element. Magnesium belongs to the Group 2 (IIA) of periodic tables which makes it one of the alkaline earth elements. Moreover, the compounds of calcium are used in the food industry, the pharmaceutical industry, medicine, etc. 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. The pure element is a silver-colored metal, but it tarnishes in air to give it a dull appearance. 2.”CSIRO ScienceImage 2893 Crystalised magnesium”By CSIRO, (CC BY 3.0) via Commons Wikimedia. Its compounds are widely used in construction and medicine, and magnesium is one of the elements essential to all cellular life. It has a hexagonal close-packed crystal structure. On the otherhand, the standard atomic weight of Mg is 24.305. In boiling water, the place of hydrogen is taken by Magnesium and a number of metals can be produced using thermal reduction of its salts and oxidized forms with magnesium. 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. 3. It also is an alkaline earth metal. And, the electron configuration is [Ne] 3s2. When it burns in air, magnesium produces a brilliant white light. And according to its atomic number, it locates in the group 2 and period 4 of the periodic table. Therefore, it has 3 electron shells containing electrons. 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. A portion of the sample is digested in a combination of acids. 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. Whereas, magnesium is a chemical element having the atomic number 12 and chemical symbol Mg. This metal is very reactive when exposed to air; it forms a dark oxide-nitride layer. We find Magnesium in the second position in the periodic table. The most common oxidation state is +2, but it may form +1 oxidation state as well. 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. The melting point and boiling points are 842 °C and 1484 °C respectively. Calcium and magnesium both are alkaline earth metal because both of them are in the group 2 of the periodic table of chemical elements. 6. It does however react with steam, forming magnesium oxide, MgO, or magnesium hydroxide, Mg(OH). Calcium metal appears as a dull grey metal with a pale yellow tint. Figure 01: Calcium Metal with the Dark Oxide-Nitride Layer. Moreover, it has 4 electron shells containing electrons. Magnesium is a chemical element having the atomic number 12 and chemical symbol Mg. Moreover, magnesium (+2) cation is the second most abundant cation in seawater. More importantly, calcium is the fifth and magnesium is the ninth most abundant elements in the earth’s crust. Method 3500-Mg C Inductively Coupled Plasma Method [1]. Summary. This is the ninth most abundant chemical element on in the universe. The below infographic presents more details on the difference between calcium and magnesium in tabular form. What is Calcium It has an atomic mass of 24.305 and atomic number of 12. Magnesium is a chemical element having the atomic number 12 and chemical symbol Mg. Ammonia will also precipitate Mg(II) as hydroxide, but the precipitation is incomplete. @media (max-width: 1171px) { .sidead300 { margin-left: -20px; } } The digest is aspirated into an 8,000 K argon plasma where resulting light emission is quantified for 30 elements simultaneously. Side by Side Comparison – Calcium vs Magnesium in Tabular Form Magnesium is an essential macronutrient that plays a key role in many body processes, including muscle, nerve, and bone health, and mood. 2. Copyright, ownership information and cookies- and privacy policy. The electron configuration of magnesium is [Ne] 3s2. It is a shiny grey metal. 1. Terms of Use and Privacy Policy: Legal. Furthermore, the standard atomic weight of Ca is 40.078. Calcium is a chemical element having the atomic number 20 and chemical symbol Ca. Magnesium occurs in mineral deposits such as magnesite, dolomite, etc. 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. It is an s block element, and it occurs as a solid at standard temperature and pressure. Calcium is a chemical element having the atomic number 20 and chemical symbol Ca. The density of magnesium is 1.738 grams per cubic centimeter. 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. According to its atomic number, it locates in the group 2 and period 3 of the periodic table. What is Magnesium This element occurs in a solid phase at standard temperature and pressure. Furthermore, the atomic number of calcium is 20 whereas the atomic number of magnesium is 12. The key difference between calcium and magnesium is their appearance; calcium is a dull grey metal with a pale yellow tint whereas magnesium is a shiny grey metal. When ingited, Mg reacts with both oxygen and nitrogen forming a mixture of magnesium oxide, MgO, and magnesium nitride, Mg, Mg(II) is precipitated by hydroxide ions. 5. Magnesium is unique as it has lightest weight as compared to all other metals. (adsbygoogle = window.adsbygoogle || []).push({}); Copyright © 2010-2018 Difference Between. Therefore, it has 3 electron shells containing electrons. Magnesium react with oxygen at room temperature, forming a passivating layer of MgO on the surface. Magnesium can easily be molded, shaped, bend and cut and can be turned … 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. The standard atomic weight of this element is 40.078. 1. The atomic number of calcium is 20 whereas the atomic number of magnesium is 12. Calcium and magnesium are two chemical elements in the group 2 of the periodic table of elements. In addition to that, this metal has many uses. Under neutral conditions it is precipitated as the hydrogen phosphate, Mg(II) is not precipitated by hydrogen sulfide. It locates in the group 2 and period 3 of the periodic table. Magnesium is a silvery-white, low density, reasonably strong metal that tarnishes in air to form a thin oxide coating. Moreover, it is the fifth most abundant element in the earth’s crust. Therefore, they have different chemical and physical properties. the electron configuration of this element is [Ar] 4s2. A precipitate can sometimes be observed due to the alkaline properties of hydrogen sulfide, Magnesium does not react with liquid water at room temperature. Magnesium and its alloys have very good corrosion resistance and good high temperature mechanical properties.

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