Number and arrangement of the electron pairs around:

a. C in CCl4
b. S in H2S
c. Al in AlH3
d. Ga in GaCl3

2 answers

8, 10, 6, 6 total electrons around central atom.
You will need to determine the arrangement since it is difficult to draw these structures on these boards.
Check my work. It's late.
the answer given to you was wrong i don't know how to do AlH3 but the others are tetragedrals and have four pairs