The part of the atom that is involved in chemical changes is A. electron. The electrons that are in the most outer shells are called valence electrons which are easily removed or shared to form bonds. Valence electrons are related to the number of valence electrons
C. 1.0 M Al2O3 would be the best answer
The metric system is based on powers of 10 so it is much easier to convert units, often just by moving the decimal point.
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Mixture. Distilled Water may be a pure substance, however, there are many minerals and such that are in tap water, making it a mixture.
