I encourage you to stop by my office during office hours and ask about anything you like. Don't be timid! I remember what it's like not to know any of this stuff, and you probably can't ask a question that I haven't already asked myself at some point.
If my office hours don't fit into your schedule, send me an email and I'll be happy to make you a special appointment at a time that works for both of us.
If you can't stop by at all, send me an email. If I'm in my office, you'll get a reply right away. If I'm at home or it's the weekend, I try to check email at least once a day, so you should get a reply fairly promptly. I have never ignored a student's email... you will get a reply! (I have ignored a few inappropriate emails, but thankfully that doesn't happen very often.)
Form a study group.
One of the reasons for the objective sheets that are given out before each exam is so that you have a list of material you can use to quiz your colleagues. Turn the "You should know/be able to..." statements you find there into questions and test each other... I'll wager that some of your questions will be harder than the ones you find on the exam!
Post a question on Blueline.
In the past, I have activated the Blueline "Discussion Forum" where you can ask questions of other folks in the class, internet "Forum" style. This hasn't been very popular, so I've fallen out of the habit of activating it, but if you'd like to use it, please let me know and I'll turn it on! If you want to talk to me directly, send an email.
Visit the Academic Success Office.
The Chemistry Department selects and employs chemistry majors as free tutors for the general chemistry and organic chemistry courses. They are available through the Academic Success (in the EDGE office) in the Reinert Alumni Library Building, lower level. Please keep in mind (especially when asking about some of the problem sets) that the tutors aren't experts in general chemistry. They may not immediately know the answer to every question you have... that's what they pay us professors for. (And it's also why "See me" is at the top of this list. :)
Visit the Office of Disability Accommodations.
If you have a documented physical or learning disability, the Office of Disability Accommodations can make arrangements for help, including, for example: special testing arrangements, provision of educational materials in alternate media (e.g. text on tape or handouts in Braille), readers, scribes, note takers, and sign language interpreters.
I'm sure there are other resources out there. If you know of one that has been particularly useful to you, please let me know. Otherwise, you might have a look around the University's Student Services page, which summarizes and expands on some of the things I've mentioned here.