CHEM 1001/CHM1020/CHM1025C/CHM1032C    Name: ___Answers__

Module Three Sample Pretest

 

Module Three: Part E:   Electron Configuration of Ions    10 points

Given the following ions, use arrows to fill-in the electron configuration of the ion, then rewrite the configuration into the chemist’s shorthand:

 

1.     Cl1-  ion      Chemist Shorthand: ___1s22s22p63s23p6  isoelectronic with Argon

 

 

2.  K1+ ion  Chemist Shorthand: ___1s22s22p63s23p6 isoelectronic with Argon

 

 

 

Or show electron figuration of Argon: