Welcome to Room D113, formerly Room D116, a concoction of chemistry resources, designed to assist students in Mrs. Rhonda Alexander's PreAP/IB Chemistry and AP/IB Chemistry classes. Room D113 is located on the Robert E. Lee High School campus in Tyler, TX. Students can: check current assignments, find assistance with lab work, print notes, play vocabulary games, take practice tests, locate extra credit project descriptions, link to outstanding chemistry sites, stay informed about unit objectives and class guidelines, obtain study materials for the AP/IB Chemistry exam, and prepare for the Science TAKS test. Information pertaining to the current unit will be posted regularly so check Room D113 frequently for the latest class information and assistance.