MRI scanning, CAT scanning, radiotherapy, conventional X-ray imaging, ultrasound scans and ultrasound therapy.
Radon is the heaviest gas on Earth with a density of about 9.73 g/L. This is very high actually.
For more informations, radon is mostly used in radioactivity and cancer therapy.
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Answer:
2Mg^+ +O2 right arrow 2MgO
Explanation: