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  • 19-10-2017
  • Physics
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Which of these elements do not have atoms whose outer shells are full of electrons?
A) neon
B) argon
C) radium
D) krypton

Respuesta :

18047
18047 18047
  • 19-10-2017
The answer is radium. Recall that all of the elements with full electron shells are on the column to the farthest right on the periodic table. These are known as Noble Gases, and are nonreactive.
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