The following items are required for an application to be complete: Statement of purpose Unofficial transcripts (students who accept an offer of admission must then have official transcripts sent directly from their university to the Graduate Admissions Office) 2 confidential letters of recommendation submitted directly by the letter writers An application fee of $85 Additional materials for international applicants whose first language is not English Self-reported TOEFL/IELTS scores from a test taken within the last 2 years (unless they completed a 4-year undergraduate degree in the U.S. or at an institution with English-only instruction); students who accept an offer of admission must then have official scores sent directly from the testing agency to the Graduate Office of Admissions). International students are strongly encouraged to submit GRE Chemistry (or a related subject) test scores. The minimum internet-based (iBT) TOEFL score for general admission to the Graduate School is 90, with minimum scores in each component as follows: 22 for Speaking, 22 for Writing, 23 for Reading, and 23 for Listening. The minimum IELTS score requirement is 7.0 in each section. Most admitted students attain a total score of at least 600 on the PBT TOEFL, 250 on the CBT TOEFL, or 7.0 on the IELTS.