Atomic structure

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  • Created by: sisi
  • Created on: 12-03-13 22:05

Isotopes are atoms of the same element but with different proton numbers

Atomic proton number is the number of protons in the nucleus

M*** number is the number of particles in the nucleus 

 An ion is a positively or negatively  charged atom or a group of atoms 


+1 Relative m*** 

Positively charge 


+1  Relative m*** 

Neutral charge 


1/2000 Relative m*** 



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