⚛️🧪☢️Po

#polonium #po #atomic number 84 #element 84 #periodic table

🇵🇱👩‍🔬🔬

#marie curie #sklodowska #poland #element 84

🇵🇱☢️2️⃣0️⃣8️⃣

#polonium-208 #po-208 #polish element #marie curie discovery #radioactive isotope #element 84