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: