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What are the decay products of radium?

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in Chemistry – Class 12 by (188k points)
What are the decay products of radium?

(a) Radon and oxygen

(b) Radon and nitrogen

(c) Lanthanum and oxygen

(d) Radon and Helium

I have been asked this question during an online exam.

This intriguing question originated from P-Block topic in portion P-Block Elements of Chemistry – Class 12

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Correct answer is (d) Radon and Helium

The best I can explain: Radium is a radioactive element with the atomic number 88. It is the 6^th element in group 2 of the periodic table. Radium (Ra) on radioactive decay, gives Radon (Rn) and Helium (He) as the products.

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