Course Description

This course is a two-term introduction to chemistry. In the first term, topics discussed include atomic structures, electronic configurations, bonding, formulae, nomenclature, the mole concept, chemical reactions, and stoichiometry. In the second term, topics discussed include gases, liquids and bases, chemical equilibria, electrochemistry, nuclear chemistry, and organic chemistry.


Formerly CKCH 108 and CKCH 109.

An Academic Bridging Course which may be used to meet the Grade 12 U Chemistry requirement for Ryerson admission purposes. Please note that mature student applicants will be considered on an individual basis. Please contact Undergraduate Admissions and Recruitment for details.

CKCH 90A is a multi-term course. If you enrol in CKCH 90A for the selected term, you will automatically be enrolled in CKCH 90B for the subsequent term. The automatic enrolment usually occurs near the completion of “A” term, and therefore the “B” term will not appear on your schedule of classes until that time.


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