CHEMISTRY

__Ytterbium__ __1.What is the name of your element?__ -Ytterbium is the name of the element 70 inth periodic table. __2. What is the symbol for your element?__ -Its chemical symbol is Yb. __3.What is the atomic number?__ -Its atomic number (z) of 70. __4.What is the atomic mass?__ -The atomic mass is (A) 173.

__5.what is this element used for ?__ It is used as a graphite cell which acts as cathode using graphite as anode.

__6.Who was it discovered by ?__ It was discovered in 1878 in switzerland by Jean Marignac.

__7.what is it atomic radius?__ 194pm __BIBLIOGRAPHY__
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 * [|http://www.chemicalelements.com]
 * [|http://www.chemicool.com]
 * [|http://www.webelements.com]
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