The chemical element of atomic number 84, a radioactive metal occurring in nature only as a product of radioactive decay of uranium. (Symbol: Po)
- In the process, she discovered two new elements that are millions and billions of times more radioactive than uranium: radium and polonium.
- Gentry had discovered that granites contain microscopic coloration halos produced by the radioactive decay of primordial polonium.
- Radon can enter the body through the lungs, where it undergoes alpha decay to form polonium, a radioactive solid that remains in the lungs and continues to emit cancer-causing radiation.
Words that rhyme with poloniumammonium, euphonium, harmonium, pandemonium, pelargonium, plutonium, zirconium
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