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Chemistry Resources


Test your understanding with chemistry quizzes:


Free Online learning "Concepts in Chemistry", from Dalhousie University, full lectures and digital practice materials:


 First year university covered, which is nearly the same as grade 11-12 Chemistry.

Lessons: Chemistry-20, Chemistry-30

Lessons: So, you think you might be interested in learning some Chemistry?


Chemistry Card Games



Did you know? Since there were mixtures of isotopes of different atomic weights in samples of elements found in nature, the IUPAC began publishing atomic weights with uncertainties. The first element to receive an uncertainty in its atomic weight was sulfur in 1951. By 2007, 18 elements had associated uncertainties, and in 2009, IUPAC began publishing ranges for the atomic weight of some elements. Read more...




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