periodic table elements 72-86
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astatine
At 85
gold
Au 79
bismuth
Bi 83
hafnium
Hf 72
mercury
Hg 80
iridium
Ir 77
osmium
Os 76
lead
Pd 82
polonium
Po 84
platinum
Pt 78
radon
Rn 86
tantalum
Ta 73
tungsten
W 74
rhenium
Re 75
thallium
Tl 81
