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Q. What is the electron configuration of Radium?

  • (A) 6s2
  • (B) 7s2
  • (C) 7s2 7p6
  • (D) 7s2 7p4
  • Correct Answer - Option(B)
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  • Filed under category Chemistry
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Explanation by: Admin
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.The electron configuration (short form) of radium is [Rn]7s2 .

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