Yes, Earned Income Tax Credit is exempt in Florida, and you can file your case before receiving it. The tax withholding portion of your refund may or may not be exempt. This will depend on the circumstances of your case and the remaining exemptions available to you.
Your question reveals a lack of knowledge of the laws and procedures involved in bankruptcy. Filing a case without expert representation can be a very risky proposition. I would recommend that you retain an experienced and qualified bankruptcy attorney to represent you in your case.