Challenge Rules

Click here for the 2018-2019 Official Rules as established by the Chemical Educational Foundation® (CEF). These rules pertain to all levels of the competition, with the exception of the 2019 National Challenge.

Challenge Structure and Format

Click here for detailed information comprising the 2018-2019 Official Competition Structure: Public Edition and here for the 2018-2019 Official Competition Format as established by the Chemical Educational Foundation® (CEF).

Click here for the 2019 National Challenge Format and Rules.

For questions, please contact the CEF staff at challenge@chemed.org.