Magnesium element (Mg) is in group 2 and period 3 of a periodic table. Magnesium is in the s-block and it is classified as an alkaline earth metal on the periodic table.
There is a lot more information related to magnesium which is mentioned in the Information Table given below.
So let’s dive right into it!
Table of contents
- Magnesium element (Information Table)
- Magnesium element in Periodic table
- Facts about Magnesium
- Properties of Magnesium
- Uses of Magnesium
Magnesium Element (Information Table)
The important data related to magnesium element is given in the table below.
|Appearance of magnesium||Shiny gray|
|Atomic number of magnesium||12|
|Symbol of magnesium||Mg|
|Atomic mass of magnesium||24.305 u|
|Protons, Neutrons & Electrons in magnesium||Protons: 12, Neutrons: 12, Electrons: 12|
|State of magnesium (at STP)||Solid|
|Group number of magnesium in periodic table||2|
|Period number of magnesium in periodic table||3|
|Block of magnesium in periodic table||s-block|
|Category of magnesium||Alkaline earth metals|
|Bohr model or Electrons per shell or Electrons arrangement in magnesium||2, 8, 2|
|Electron configuration of magnesium||[Ne] 3s2|
|Orbital diagram of magnesium|
|Valence electrons in magnesium||2|
|Electronegativity of magnesium (on pauling scale)||1.31|
|Atomic radius of magnesium (van der Waals radius)||173 picometers|
|Density of magnesium||1.74 g/cm3|
|1st ionization energy of magnesium||7.646 eV|
|Main isotope of magnesium||24Mg|
|Melting point of magnesium||923 K or 650 °C or 1202 °F|
|Boiling point of magnesium||1363 K or 1091 °C or 1994 °F|
|Crystal structure of magnesium||Hexagonal Closed Packing (HCP)|
|Discovery of magnesium||By Joseph Black in 1755|
Also see: Interactive Periodic Table (It has rotating bohr models as well as many other details of all the 118 elements in a single periodic table).
Magnesium element in Periodic table
The Magnesium element (Mg) has the atomic number 12 and is located in group 2 and period 3. Magnesium is in solid state at STP and it is classified as an alkaline earth metal on the periodic table.
Facts about magnesium
Here are a few interesting facts about magnesium element.
- The name magnesium comes from the Greek region “Magnesia”.
- Magnesium element is found from the sea as well as from the earth’s crust.
- The magnesium element is the 8th most abundant element present in the earth’s crust.
- Magnesium is the 11th most abundant element (by mass) in the human body.
- Around 60% of the total magnesium in the human body is present in the skeleton.
- Magnesium is present in the center of the chlorophyll and it is important for photosynthesis.
- Magnesium is also an important element for the human body which performs the biochemical reactions.
Properties of magnesium
Here is a list of some physical properties and chemical properties of magnesium.
Physical properties of magnesium
- Magnesium has a shiny-gray appearance and is a solid metal.
- Magnesium is light-weight and soft metal.
- The magnesium metal has a density of 1.74 g/cm3 which is 2/3rd the density of aluminum.
- The magnesium forms an alloy with 1% aluminum which increases the ductility of the alloy.
- The melting point and boiling point of magnesium are 650 °C and 1091 °C respectively.
Chemical properties of magnesium
- Magnesium forms a thin oxide layer on its surface when kept open in the air.
- Magnesium is a reactive metal and hence it is always found as a compound with other elements in the earth’s crust.
- When magnesium metal (or a magnesium metal strip) is submerged in water, it liberates the hydrogen gas.
- Magnesium gives a bright white light when exposed to fire.
- Magnesium easily reacts with acids and liberates heat during the reaction.
Uses of magnesium
Here are some uses of the magnesium element.
- Magnesiumis used as an alloying metal with aluminum and it gives light and strong metal which is used in car bodies, drinking cans, etc.
- Some other lightweight alloys are also prepared by mixing magnesium with zinc, silicon and manganese.
- Magnesium hydroxide is a compound of magnesium which is used in manufacturing fire resistant plastics.
- Magnesium is also needed by the human body for biochemical reactions.
- Magnesium is also used in fireworks and flares.