Sir Humphry Davy And The Discovery Of Magnesium

845 words - 4 pages

Magnesium, also known as atomic number 12 was discovered in 1808 by Sir Humphry Davy who was a British Chemist best known for his experiments in electro-chemistry and his invention of a miner's safety lamp (BBC News, 2014). Magnesium is a chemical element with symbol Mg. Magnesium is a light, fairly strong, whitish, silver Alkaline Earth Metal that is the eighth most abundant element in the Earth's Mantle and the fourth most common element on earth, making up 13% of the planet's mass (Winter, 2011). Its atomic weight is 24.305.
The melting point for magnesium is 923 K (650°C or 1202°F) and the boiling point is 1363 K (1090°C or 1994°F). Magnesium ions are extremely soluble in ...view middle of the document...

Other magnesium compounds are magnesium carbonate, which is Magnesium and Carbon. As well as Magnesium fluoride, which is Magnesium and Fluorine. Magnesium carbonate is used to make different kinds of paints and inks. Magnesium fluoride is put onto an optical lens to help stop the occurrence of a glare or a reflections. Because of Magnesium’s good mechanical and electrical properties and lightness, magnesium is useful in the making of electronic devices such as cell phones, laptops and cameras. Magnesium compounds, mainly magnesium oxide (MgO) are used to create45, agricultural, chemical, and construction industries.
When figuring out the electron configuration for Magnesium, you need to figure out how many electrons are in there atom, you can do that by finding Mg on the periodic table. You will see the number of protons but it will also tell you the number of electrons. Magnesium has 12 electrons and 2 valance electrons. The first two electrons will go in the 1s orbital. Since 1s can only hold two electrons the next 2 electrons for magnesium go in the 2s orbital. The next six electrons will go in the 2p orbital. The p orbital can hold up to six electrons. We'll put six in the 2p orbital and then put the remaining two electrons in the 3s. Therefore the Magnesium electron configuration will be using the electron configuration chart you see that Mg is; 1s2 2s2 2p6 3s2. The outer electron configuration for a magnesium atom is 3s2. Magnesium can form two bonds...

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