Question

review the details below.
dmitri mendeleevs periodic table contained only sixty elements, but the table was updated as other elements were discovered.
dmitri mendeleev created the periodic table for his book the principles of chemistry.
dmitri mendeleev arranged the elements in order of atomic weight and placed them in rows and columns according to their physical and chemical properties.
choose the best topic sentence to introduce a paragraph containing these details.
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.
in 1869, russian chemist dmitri mendeleev invented the first periodic table of the elements.
dmitri mendeleev, a professor at the university of st. petersburg, wrote a book called the principles of chemistry.

Explanation:

The details focus on Mendeleev's creation of the periodic table (elements, its update, arrangement). The first option mentions the Periodic Law (not the main focus of the details). The third option only talks about the book (too narrow). The second option "In 1869, Russian chemist Dmitri Mendeleev invented the first periodic table of the elements" introduces the main subject (Mendeleev and the periodic table) which the details expand on (elements in it, its update, arrangement).

Answer:

In 1869, Russian chemist Dmitri Mendeleev invented the first periodic table of the elements.