ATOMIC NUMBER 84
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Definitions
Example Sentences
"Polonium is a chemical element with the atomic number 84."
"The atomic number 84 corresponds to the element polonium."
"Polonium-210 is a radioactive isotope with atomic number 84."
"Polonium has the atomic number 84 and is part of the chalcogen group."
"The atomic number 84 indicates the number of protons in a polonium atom."