Atomic Number: 12 Symbol: Mg Atomic Weight: 24.305 Discovery: Recognized as an element by Black 1775; Isolated by Sir Humphrey Davy 1808 (England). Magnesium first came into use as magnesium sulfate or Epsom salt. The story goes that in 1618 a farmer in Epsom, England could not get ...
Chemical element, metallic, symbol Mg, situated in group IIa in the periodic table, atomic number: 12, atomic weight: 24,312. Magnesium is silvery white and very light. Its relative density is 1,74 and it’s density 1740 kg/m3 (0.063 lb/in3 or 108.6 lb/ft3). Magnesium is known for...
Magnesium is a chemical element; it has symbol Mg and atomic number 12. It is a shiny gray metal having a low density, low melting point and high chemical reactivity. Like the other alkaline earth metals (group 2 of the periodic table) it occurs naturally only in combination with other ...
Magnesium is the seventh most abundant element in the Earth's crust. It also occurs in large amounts dissolved in ocean waters. SYMBOL Mg ATOMIC NUMBER 12 ATOMIC MASS 24.305 FAMILY Group 2 (IIA) Alkaline earth metal PRONUNCIATION mag-NEE-zee-um Large amounts of magnesium ...
atomic number 12,Mg metal,metallic element- any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. carnallite- a white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertilizer ...
Magnesium is a chemical element with symbol Mg and atomic number 12. It is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column (Group 2, or alkaline earth metals) of the periodic table: all Group 2
Chemically, magnesium is an element with the symbol Mg and atomic number 12. It belongs to the alkaline earth metal group on the periodic table. In its pure form, magnesium is a silver-white metal that is relatively light in weight and has a low density.
Magnesium is a chemical element with the symbol Mg, atomic number 12 and common oxidation number +2. It is an alkaline earth metal and the eighth most abundant element in the Earth's crust, where it constitutes about 2% by mass,[2] and ninth in the known Universe as a whole.[3][4]...
Element Properties atomic number12 atomic weight24.305 melting point650 °C (1,202 °F) boiling point1,090 °C (1,994 °F) specific gravity1.74 at 20° C (68 °F) oxidation state+2 electron configuration1s22s22p63s2 Occurrence, properties, and uses ...
1. a light silver-white ductile bivalent metallic element in pure form it burns with brilliant white flame occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine) Synonym: Mgatomic number 12...