If you are a secondary level instructor who wants to acquire a license in order to teach the chemistry subject, the Praxis II Chemistry Content Knowledge 0245 exam should be taken and passed. You should have competed or nearly completed a bachelor’s degree program in chemistry or education in order to be able to take the said examination. This test consists of 100-item questions to be answered in 2 hours. Calculator use is prohibited during the entire exam duration, thus examinees are provided with test books which contains a periodic table of elements and a table information that presents various physical constants and a few conversion factors from SI units. The examinee needs to pay $80 for this test.