Chemical properties – Magnesium symbol, electronic configuration, density



Magnesium is an alkaline earth metal and the seventh most abundant element in the Earth’s crust. It is the 11th most abundant element by mass in the human body; its ions are essential to all living cells, where they play a major role in manipulating important biological polyphosphate compounds like ATP, DNA, and RNA. It is also the metallic ion at the center of chlorophyll, and is thus a common additive to fertilizers. Magnesium compounds are used medicinally as common laxatives, antacids, and in a number of situations where stabilization of abnormal nerve excitation and blood vessel spasm is required. The main applications of magnesium are, component of aluminium alloys, in die-casting, to remove sulfur in the production of iron and steel, the production of titanium in the Kroll process. Magnesium, in its purest form, can be compared with aluminium, and is strong and light, so it is used in several high volume part manufacturing applications, including automotive and truck components. The second application field of magnesium is electronic devices. Because of low weight, good mechanical and electrical properties, magnesium is widely used for manufacturing of mobile phones, laptop computers, cameras, and other electronic components. Magnesium’s high burning temperature makes it a useful tool for starting emergency fires during outdoor recreation. Other uses include flash photography, flares, pyrotechnics and fireworks sparklers. It is also used in the form of turnings or ribbons, to prepare Grignard reagents, which are useful in organic synthesis.

Chemical Properties.

Appearance Shiny Grey Solid
Atomic Number 12
Atomic Weight 24.305 g/mol
Block s
Boiling Point 1091 °C
CAS Number 7439-95-4
Class 4.1
Crystal Structure Hexagonal
Density 1.74 g/cm3
EINECS Number 231-104-6
Electron Configuration 1s2 2s2 2p6 3s2
Group 2
HS Code 81049000
Ionization Energy 737.7 kJ/mol
Melting Point 650 °C
NFPA 704 H-0,F-1,R-1,C-NA
Oxidation State 2,1
PG 3
Period 3
RTECS Number OM3756000
Symbol Mg


Magnesium producers/suppliers –



One thought on “Chemical properties – Magnesium symbol, electronic configuration, density

  1. Pingback: Grade 7 Science: Metals, Non-Metals, and Metalloids | The Teacher's Notebook

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