Review the details below.
.Dmitri Mendeleev arranged the elements in order of atomic weight and placed them in
rows and columns according to their physical and chemical properties.
.Dmitri Mendeleev created the periodic table for his book The Principles of Chemistry.
.Dmitri Mendeleev's periodic table contained only sixty elements, but the table was updated as other elements were discovered.

Choose the best topic sentence to introduce a paragraph containing these details.
1) In 1869, Russian chemist Dmitri Mendeleev invented the first periodic table of the elements.
2)Dmitri Mendeleev, a professor at the University of St. Petersburg, wrote a book called The Principles of Chemistry.
3)Dmitri Mendeleev was an important Russian chemist who was responsible for the Periodic Law, which states that the properties of elements recur at regular intervals when ordered by atomic weight.