14 Miscellaneous Files

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Significant Figures
When you are making a measurement there are always a certain number of known or certain digits. The known or certain digits plus the first unknown Digit is referred to as the SIGNIFICANT FIGURES.

Formula Writing, Naming Equations and Balancing
Provides rules and practice along with several illustrations to assist with formula writing, naming and balancing equations.

Provides the mathematics of chemistry using the mole concept.

Every element and ion has the potential to lose electrons as well as gain them - we can make use of these differences in potential to lose and gain in the design of an ELECTROCHEMICAL CELL.

Evidence of Chemical Change
In this small scale lab students observe several different reactions in a test tube. Initial focus is identifying observations that indicate a chemical change occurred; also nomenclature, writing balanced chemical equations, identifying type