2 Answers

leeroy

Karma: 199220

Polonium is a chemical element with the symbol Po and atomic number 84, discovered in 1898 by Marie Sk?odowska-Curie and Pierre Curie. A rare and highly radioactive ...

Like veteran said check out the google, If you have a question about it you may want to reword your question.

You can go back into the question through the edit option, good luck with your homework.

15 years ago. Rating: 0
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veteran01

Karma: 7179

Never heard of it, U need to Google to find out.

15 years ago. Rating: 0
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