Question

what is the atomic no. of radium​

Answer 1

Answer:

hy your answer

Explanation:

88

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Answer 2

88

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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