Magnesium (Mg)

By Katie McWilliams and Sarah Knight

Information

  • Density: 1.738 g/ml
  • Melting Point: 650 degrees Celsius
  • Boiling Point: 1090 degrees Celsius
  • In 1805, Sir Humphry Davy, an English chemist, isolated magnesium from a mixture of magnesium oxide (MgO) and mercury oxide (HgO).

  • Since it gives off a bright, white light when it burns, magnesium is used in fireworks and photographic flashbulbs

  • Magnesium-aluminum alloy (metal made from combining two metals) is used for airplane material

  • Magnesium nitrate: Mg(NO3)2

  • Magnesium hydroxide: Mg(OH)2

  • Magnesium sulfate: MgSO4

Periodic Table Information

Atomic Number: 12

Mass: 24.305

Protons: 12

Electrons: 12

Neutrons: 12

Nuclide and Hyphen Notation

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Model

  • 2 Valence Electrons
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Alkaline Earth Metals

  • Low Electronegativity
  • Shiny/Silvery-White
  • Low Density
  • Low Melting Point
  • Low Boiling Point

Reaction Type

  • Decomposition: MgCO3 → MgO + CO2
  • Single Replacement: Mg + AlCl3 → Al + MgCl2
  • Double Replacement: K3PO4 + 3MgF2 ---> 3KF + Mg3PO4
  • Combustion: MgCO3 + 2 HCl → MgCl2 + CO2 + H2O
  • Synthesis: Mg + Cl2 ---> MgCl2
Mg-1 Cl2-1 Mg-1 MgCl2-1 Cl2-1 MgCl2-1

Magnesium Chloride

Bonding

  • Magnesium Oxide
  • MgO
  • Ionic Bonding
  • Percent Composition: Mg- 60% O- 40%

Acrostic

Metal in the alkaline earth category on the periodic table.

Alloyed with aluminum to produce metal that’s light and durable.

Great to use for fireworks and lights for taking pics.

Natural isotopes are only Mg 24, 25, and 26.

Exact same proton, electron, and neutron counts.

Shiny, silver outside and gives off light in super amounts.

In magnesium sulfate heptahydrate and other crazy compounds.

Used as a mineral in the human body and in many foods is found.

mineral in the human body and in many foods is found.

Citations

"Magnesium Oxide." Magnesium Oxide. N.p., n.d. Web. 12 May 2016.

"Magnesium: Reactions of Elements." Magnesium»reactions of Elements [WebElements Periodic Table]. N.p., n.d. Web. 12 May 2016.

"Magnesium Carbonate." Wikipedia. Wikimedia Foundation, n.d. Web. 12 May 2016.

"Chemical_reaction_types." Chemical_reaction_types. N.p., n.d. Web. 12 May 2016.

"Chemical Equation Balancer." Chemical Equation Balancer. N.p., n.d. Web. 12 May 2016.

"Magnesium - Element Information, Properties and Uses | Periodic Table."Magnesium - Element Information, Properties and Uses | Periodic Table. N.p., n.d. Web. 12 May 2016.

"IT'S ELEMENTAL: THE PERIODIC TABLE - MAGNESIUM." IT'S ELEMENTAL: THE PERIODIC TABLE - MAGNESIUM. N.p., n.d. Web. 12 May 2016.

Merriam-Webster. Merriam-Webster, n.d. Web. 12 May 2016.

"MAGNESIUM SULFATE." The PubChem Project. N.p., n.d. Web. 12 May 2016.

"Magnesiuim." Infoplease. Infoplease, n.d. Web. 12 May 2016.

"The Alkaline Earth Metals - Boundless Open Textbook." Boundless. N.p., n.d. Web. 12 May 2016.