5.1 Lewis Symbols and the Octet Rule
Chapter 5 Practice (Part 1)
1. Draw Lewis symbols for the following species and write the electronic structure for each of these atoms and ions. Circle the species that fulfill the octet rule:
a. a magnesium atom
b. a magnesium ion, Mg$^{2+}$
c. a nitrogen atom
d. a nitride ion, N$^{3-}$