Cobalt is reasonably abundant. It is not rare.
Abundance of cobalt in the earth crust: 25-35 mg/kg
Abundance of cobalt in the sea water: 0,02 microgram/L
Abundance of cobalt in the solar system: 2,3.10-3 atom mole fraction relative to silicon=1.
Abundance of cobalt in the human body: 0,000 002 1 %
is the element cobalt rare? the elemant cobalt is the color of blue
rare
(BUT it is commonly used by people EVERY day)
In 1735, Swedish chemist G.Brandt made Cobalt metal.
elementCobalt is an element, and is a transition metal with atomic number 27.
Cobalt already is an element name; its symbol is Co.
There is nothing in cobalt, it's a pure element.
Cobalt has as atomic number 27 and as symbol Co. The cobalt element is indeed used in making blue cobalt glass, among many other byproducts and applications.
Cobalt, is in the metal family. The atomic number for the element of cobalt, (word steaming from the German meaning for evil spirit, and goblin) is twenty seven.
No it is not.
Cobalt is an element, and is a transition metal with atomic number 27.
Rare earth magnets are very powerful magnets which have no iron. Cobalt and nickel are also magnetic.
Jim Cobalt
elementCobalt is an element, and is a transition metal with atomic number 27.
Cobalt, the transition metal, is an element. It's element number 27, and it does not occur naturally as an element or as a mixture, but rather as a compound. Links are provided.
Element.
Element.
Cobalt is an element, and is a transition metal with atomic number 27.
Cobalt has always been an element.
Cobalt already is an element name; its symbol is Co.
The element known as cobalt is present in many compounds.