研究生英语Personal StatementI have been greatly fascinated by chemistry since my first exposure to the Periodic Table of Elements. The natural order of the first 12 elements, discovered approximately 450 years ago, made it possible for the elements to be placed on a chart consisting of rows and columns, such that elements sharing a column were discovered to have similar characteristics. This led Russian scientist Dmitry Mendeleyev to predict the existence of the element with the atomic number 32,
