I'm having so much trouble in chemistry and my teacher really is not a good teacher and i have a big exam so any suggestions?
You can post questions here. If you are looking for a good general resource, try ChemTeam http://www.chemteam.info/ChemTeamIndex.html Written for HS students, but has pretty good tutorials in the basics.
Also, you can try Khan Academy. They have exercices and video lessons on almost any high school subject.
I found this site helpful: http://chemed.chem.wisc.edu/chempaths/GenChem-Textbook/Introduction-679.html
Spark notes has very basic information covering topics from stoichiometry to ochem.
Or you can bring your questions here and your peers will talk you through your problems.
What you really need to do is to understand the simple concepts one by one, so you can then build on this foundation. You cannon memorize concepts, you have to understand it in a way that you can explain it to someone.
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