mathical mathical
  • 15-10-2014
  • Chemistry
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What element is used as a shield to protect people from radioactive substances?

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Xhade
Xhade Xhade
  • 22-10-2014
the element which is used for protection from radioactive substances  is lead ..
its symbol is Pb..
atomic number of lead is 82..
melting point is 327.5 degree C
boiling point is 1750 degree C..
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