A. Neon
B. Radon
C. Xenon
D. Argon
Correct Answer:
Option B – Radon
The gas that is used for the treatment of cancer is?
![The mass of 800cm³ of a gas X at s.t.p. is 1.0g. What is the molar mass of X? [1 mole of a gas at s.t.p occupies 22.4dm³]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "The mass of 800cm³ of a gas X at s.t.p. is 1.0g. What is the molar mass of X? [1 mole of a gas at s.t.p occupies 22.4dm³]")
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