Iridium (Ir) – 77 Read More »
Platinum (Pt) – 78 Read More »
Gold (Au) – 79 Read More »
Mercury (Hg) – 80 Read More »
Thallium (Tl) – 81 Read More »
Lead (Pb) – 82 Read More »
Bismuth (Bi) – 83 Read More »
Polonium (Po) – 84 Read More »
Astatine (At) – 85 Read More »
Radon (Rn) – 86 Read More »
Francium (Fr) – 87 Read More »
Radium (Ra) – 88 Read More »
