Abstract
This study aims to map the conception of pre-service chemistry teachers individually and in groups. The participants were 88 post-5th semester pre-service chemistry teachers at Universitas Negeri Surabaya (Unesa). Mapping conceptions of the participants used three tier diagnostic tests which is administered into the Ionunesa Detector software. The study found every participant has a burden (percentage) of misconceptions on chemical subject matter will be taught at school. In addition, there were four subject matters tested (chemical bonding, solution, reaction rate, and chemical equilibrium) in which the misconceptions burden of participants for the subjects were above 27% and the highest burden occurred in chemical bonding, the amount of 45.99%.
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