Molybdenum

Located in Group 6 and Period 5 of the Periodic Table is one of the element to make missiles and aircraft parts. This is Molybdenum.

First discovered in 1778 by Carl William Scheele and isolated in 1781 by Peter Jacob Hjelm by mining and processing tungsten and copper.

Molybdenum can be mined in United States, China, Chile and Peru. Molybdenite is the primary source of Molybdenum.

 Molybdenum have the Third Highest Melting Point of all pure elements ( First and Second are both Tantalum and Tungsten respectively )

Molybdenum Sufficiency in Plants

Besides, being the 54th most abundant element in the earth's crust, there are 1.5 parts per million of Molybdenum in the earth's crust. Also, being the 25th most abundant element in the oceans, there is 10 parts per billion in the ocean, which makes it quite rare. Molybdenum is also the 42nd most abundant element in the universe.

Molybdenum is considered to be safe to humans and animals. There are no proven report showing that Molybdenum was actually toxic. In fact, Molybdenum is regarded as a necessary needed in a very small amount of element for the growth of plants.

However, although no reports show that Molybdenum is not that dangerous, too much Molybdenum still can harm your bones.

So, in conclusion, don't eat too much Molybdenum... it can harm your health!

Atomic Number : 42
Name : Molybdenum
Latin Name : Molybdos
Electrons per shell : [ 2, 8, 18, 13, 1 ]
Discoverer : Carl William Scheele ( 1778 )
Isolator : Peter Jacob Hjelm ( 1781 )
Element's : Atomic Mass : 95.94 u 
                  : Density : 9.33 g/cm³
                  : Type : Transition Metal
Chemical Properties :

Molybdenum - 96

• doesn't dissolve in acids or alkali
• does not react with oxygen ( room temperature )
• reacts with oxygen ( high temperature )
• resist corrosion
• 41 isotopes : 3 of them are :
      Molybdenum - 96 : Protons : 42
                                    : Neutrons : 54
                                    : Protons : 42
     ( Half Life : Stable )
  
      Molybdenum - 97 : Protons : 42
                                    : Neutrons : 55
                                    : Protons : 42
     ( Half Life : Stable )
   
      Molybdenum - 98 : Protons : 42
                                    : Neutrons : 56
                                    : Protons : 42
     ( Half Life : Stable )

Physical Properties : 

• Silvery - metallic
• ductile
• high - melting point
• Melting Point : 2610 degrees Celsius ( 4700 Fahrenheit )
• Boiling Point : 5560 degrees Celsius ( 10000 Fahrenheit )

How Molybdenum got its name?

Molybdenum got its name from Molybdos, meaning lead, since it has similar properties to lead.

Uses

Molybdenum was used as a glass furnace parts, plane engine parts and also missiles, due to its high melting point. It is also used in the petroleum industry, to catalyze the removal of organic sulfur compounds in coal liquification and gas liquification processes.

You can see that X - 15B spacecraft is almost mainly made of Molybdenum.

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