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Project Alexandria
Welcome to Project Alexandria, where high school students come together and share their course notes. Here you'll find plenty of student-created notes for you to use.
Featured Pages
-Created By: Vincent Dong
The structure of an atom, theoretically consisting of a positively charged nucleus surrounded and neutralized by negatively charged electrons revolving in orbits at varying distances from the nucleus, the constitution of the nucleus and the arrangement of the electrons differing with various chemical elements.
-Created By: Vincent Dong
Electronic configuration, also called electronic structure, the arrangement of electrons in energy levels around an atomic nucleus.
-Created By: Vincent Dong
In the decades following the Civil War, the United States emerged as an industrial giant. Old industries expanded and many new ones, including petroleum refining, steel manufacturing, and electrical power, emerged. Railroads expanded significantly, bringing even remote parts of the country into a national market economy.
-Created By: Vincent Dong
Vector, in physics, a quantity that has both magnitude and direction. It is typically represented by an arrow whose direction is the same as that of the quantity and whose length is proportional to the quantity’s magnitude. Although a vector has magnitude and direction, it does not have position. That is, as long as its length is not changed, a vector is not altered if it is displaced parallel to itself.