The Chemistry Diagnostics is provided to allow students to go into Chem 121 without taking the Chem 103 prerequisite. It does not, however, cover the math prerequisite for the class. You can retest after six months. This test is a paper based exam and currently not required to make an appointment online.
The test is 45 minutes long with 44 questions. You must get an 22 or higher to meet the prerequisite. You are allowed a scientific calculator, non-graphing, non-programmable on the exam.
Practice Exam: https://www.csn.edu/sites/default/files/u2241/chemplacementtestpractice.pdf