Meaning and Translation of Protactinium in Urdu Script and Roman Urdu with Wikipedia Reference, Image,
| protactinium | Noun | ایک تابکاری دھاتی عنصر جس کے تکسر سے ایکٹینیم پیدا ہوتا ہے |
Protactinium or protoactinium (former name) is a chemical element with symbol Pa and atomic number 91. It is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. |
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