What is radium elements?

1.	What is radium elements?
Answer» ANSWER: Radium is a chemical element with the symbol RA and atomic number 88. It is the sixth element in group 2 of the periodic table, ALSO known as the alkaline earth metals. Pure radium is silvery-white, but it readily reacts with nitrogen on exposure to air, forming a black surface layer of radium nitride

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Radium is a chemical element with the symbol RA and atomic number 88. It is the sixth element in group 2 of the periodic table, ALSO known as the alkaline earth metals. Pure radium is silvery-white, but it readily reacts with nitrogen on exposure to air, forming a black surface layer of radium nitride

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What is radium elements?​

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What is radium elements?