1. The element with the electron configuration 1s2 2s2 2p6 3s2 is:
a. carbon
b. magnesium
c. silicon
d. sodium
e.neon
2. Which of the following compounds would be classified as having covalent bonding but exhibiting a dipole?
a. Kbr
b.F2
c. C2H2
d. CH3CL
3. In the reaction shown below, which of the species is the acid?
CH3OH + NaH-----------> CH3O-Na+ + H2
a. CH3Oh
b. NaH
c. Ch3O-Na+
d. H2