4. (5 points) The electrons that occupy the outermost filled shell are

called

_electrons.

5. (5 points) What is the predominant type of bonding for SiC

(a) Hydrogen

(b) Ionic

(c) Covalent

(d) Metallic

6. (16 points) Give the electron configuration for the following ions:

Si

A13+

Cl-