To me it seems that the molecular geometry of SF4 should be see-saw (4 bonding pairs, 1 lone pair), but the answer to chad's review questions for day 2 says square pyramidal. Is this a mistake, or am I mistaken. Any clarifications?
Well, this was the question with his answer:
1) What is the molecular geometry of SF4?
A) Trigonal Planar
B) Tetrahedral C) Square pyramidal
You can find the question sets on the website on the page where you can click premium videos or supplemental material, click on the supplemental material and you can find question sets for all of the different lectures.
Yes, these geometries will only happen with expanded octets (period 3 or lower).