polonium /po·lo·ni·um/ (Po) (pah-lo´ne-um) chemical element, at. no. 84.
polonium (Po)
polonium (Po) [pah-lo´ne-um]
po·lo·ni·um (p -l  n -m)n. Symbol Po2 A naturally radioactive metallic element, occurring in minute quantities in uranium ores; its most readily available isotope is Po 210, with a half-life of 138.39 days. Atomic number 84. |
polonium (Po)
[pəlō′nē·əm]
Etymology: Polonia, Poland
a radioactive element that is one of the disintegration products of uranium. Its atomic number is 84, and its atomic mass is approximately 210.
polonium (Po) [pah-lo´ne-um]
a chemical element, atomic number 84, atomic weight 210. (See Appendix 6.)
polonium
a chemical element, atomic number 84, atomic weight 210, symbol Po. See Table 6.
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