Problem
1. What do you understand by the following terms: alite, belite, periclase, langbeinite, plaster of paris, tobermorite gel
2. Why is C3S more reactive, and gC2S nonreactive with water at normal temperatures? MgO and CaO have similar crystal structures, but their reactivities are very different from each other. Explain why.
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.