After persistent decay, radium would be finally changes into:
After persistent decay, radium would be finally changes into:
مسلسل زوال کے بعد، ریڈیم آخر کارکس میں تبدیل ہو جائے گا:
Explanation
Lead is a chemical element.
Symbol Pb and atomic number 82.
It is a heavy metal that is denser than most common materials.