Question

what is the name of 63 rdelement ​

Answer 1

Answer:

Europium

Europium is a chemical element with the symbol Eu and atomic number 63.

Answer 2

Answer:

Europeium is a lanthanide , one of those unfamiliar elements sitting outside the main structure of the periodic table .With atomic number 63 , it inhabit the bar of element that squeeze numerically between barium and hafnium.

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