1. thorium [ Synonyms: atomic number 90, th] | |
A soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands
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تہوریم۔ دھاتی عنصر۔ |
Prize Bonds Software in Pakistan The "Mega Prize Bonds" software allows searching of prize bonds in dif ... Read more