Humboldt State University ® Department of Chemistry

Richard A. Paselk


General Chemistry

Fall 2009

Exercise: Atoms & Isotopes

© R. Paselk 2008

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Atoms & Isotopes

Fill in the table below from the relationships of electrons and protons in atoms and ions (don't forget the Periodic table) and the relationships of A, Z, proton numbers and neutron numbers.

Add isotope superscripts for atoms without them.

 Symbol Z A p n e-
Fe   56      
Rh3+       58  



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© R A Paselk

Last modified 23 September 2008