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Lawrencium (English)
Contributed by: Tapan K Sarma(তপন কুমাৰ শৰ্মা) on 2015-12-03
1. Chemistry(Material Noun-Neuter) Lawrencium is a synthetic chemical element with chemical symbol Lr and atomic number 103. It is named in honor of Ernest Lawrence, inventor of the cyclotron, a device that was used to discover many artificial radioactive elements. মৌল৷ পাৰমাণবিক সংখ্যা ১০৩৷ ইউৰেনিয়াম উত্তৰ মৌল৷ ই তেজস্কিয় মৌল৷