Artifical radioisotopsa) Radiumb) Uraniumc) Plutoniumd) Iridiume) Cobalt
High-Yield Explanation
Important artificial radionuclides :- Tritium - 1, Carbon - 14, Cobalt - 60, Strontium 89, Strontium - 90, Iodine 131, Cesium 134, Cesium 137, Plutonium - 239, Iridium, Tc - 99.