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A small rock of panamium-743Pekka Pyykko's depiction of extended periodic table with panamium (172) just underneath Oganesson.
Panamium is synthetic chemical element in the extended periodic table; it has symbol Pan, atomic number 172 and mass of 743 u. It's a noble gas lying just underneath element 118, Oganesson. Panamium is commonly called noble stone due to It being a solid at room temperature but being a noble gas.