आधुनिक आवर्त सारणी में उत्कृष्ट गैसों को तत्त्वों के किस समूह में रखा जाता है? In which group of elements the noble gases are kept in the Modern Periodic Table?

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आधुनिक आवर्त सारणी में उत्कृष्ट गैसों को तत्त्वों के किस समूह में रखा जाता है? In which group of elements the noble gases are kept in the Modern Periodic Table?