chalcogens the generic name for the elements of groups 16 this is much less commolnly used than the corresponding name halogens for the elements of group 17 – Meaning and Explanation
Part of speech : Phrase
Urdu Meaning (اردو معنی)
چالکوجنز ، پیریاڈک ٹیبل کے گروہ via کے عناصر آکسیجن گندھک سلینیم ٹیلورنیم اور پولونیم ۔
🔹 Roman Urdu
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