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Q8:- Which element has (a) two shells, both of which are completely filled with electrons ? (b) The electronic configuration 2, 8, 2?ਕਿਸ ਤੱਤ ਵਿੱਚ (ਉ) ਦੋ ਸੈੱਲ ਹੁੰਦੇ ਹਨ ਅਤੇ ਦੱਵੇਂ ਇਲੈੱਕਟਾਨਾਂ ਨਾਲ ਪੂਰੇ ਭਰੇ ਹੁੰਦੇ ਹਨ?(ਅ) ਇਲੈੱਕਟਾਨੀ ਤਰਤੀਬ 2, 8,2 ਹੈ?​

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is the element which has TWO SHELLS both of which are COMPLETELY filled with electrons



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