Er - Erbium

Er - Erbium

Hermes
Electronic configuration Erbium is the chemical element with atomic number 68 and its symbol is Er. It is an element of rare earths and has a silvery metallic appearance; is found associated with other lantanoids mainly in the mineral gadolinite, whose main deposits are located in Ytterby, Sweden. #Er #Erbium #Er68
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