Number of Energy Levels: 3
Electrons on the outer energy level: 2
Atomic number: 12
Atomic Mass: 23.305 Amu (Atomic Mass Units)
Density: 1.738 g/cm3
Classification: Alkaline Earth
Magnesium was discovered in 1808 by Sir Humphrey Davy and it is mainly obtained from sea water. It takes its name from the Greek word Magnesia which is a district of Thessaly.
Top 19 interesting facts about Magnesium
- Magnesium is the eighth most abundant element in the Earth crust (the forth in the Earth as a whole) and the ninth in the universe.
- Magnesium represents 13% of the Earth mass.
- Magnesium can be found in large quantities in the Earth’s mantle.
- Magnesium is the eleventh most abundant element by mass in human body.
- Magnesium is a strong metal, very light-weight, and highly flammable.
- Magnesium density is just two thirds of the density of Aluminum.
- Magnesium is soluble in water so it can be found in large quantities in seawater.
- Magnesium reacts with water but slower than Calcium.
- Like Sodium, Magnesium is produced in stars.
- The elemental Magnesium is very reactive and it is not found naturally on Earth but in compounds.
- Magnesium is used to produce aluminum-magnesium alloys because these are light and strong.
- In medicine, Magnesium is used in laxatives production (but not only).
- Magnesium ions are very important for all living cells.
- Magnesium is used in fertilizers since it is part of chlorophyll.
- Magnesium was used in World War Two in incendiary weapons.
- Fireworks production uses Magnesium because of the brilliant white light it produces.
- Magnesium was used in the early days of photography as a source of light.
- Magnesium has three stable isotopes and all three are found on Earth in large quantities.
- China is the most important producer of Magnesium in the world; 80% of the world’s Magnesium is produced in China.
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