Home > Kids and Teens > School Time > Science > Chemistry > Reactions
http://www.harmsy.freeuk.com/jigsaw.html
Collection of printable learning aids to help improve the understanding of combining powers (valences) in chemical reactions.
http://www.mpcfaculty.net/mark_bishop/balancing_equations_tutorial.htm
Visual shockwave exercise in which you type in coefficients and check your answers.
Home > Kids and Teens > School Time > Science > Chemistry > Reactions
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