10.9: Homework Chapter 10 Answers

1. 

a.      Covalent: Two or more non-metals

b.      Ionic: Composed of at least one cation and one anion.

3.  An octet is when an atom has 8 valence electrons. An octet has all of an atom’s valence electrons paired, thus making it more stable, lower in energy, and less reactive.

5. A molecule will have a specific number of each atoms in the molecule. A formula unit have the lowest ratio of ions in the formula.

Lewis Structures for Atoms and Electron Configurations

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Covalent Lewis Structures