tinaponce31317 tinaponce31317
  • 06-04-2017
  • Physics
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what happens to the atomic number as you move across a period

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hurtz hurtz
  • 06-04-2017
the atomic mass increases because the atomic number is 
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idothathw
idothathw idothathw
  • 06-04-2017
As you move across a period, the atomic mass increases 
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