Born Feb.8,1834 Died Feb.2,1907
He created the extended version of the periodic table. He also formulated the Periodic law.
Mendeleev predicted the existence and properties of new chemical elements. The periodic law is the principle that the chemical properties of the elements are periodic functions of their atomic weights or, more accurately of their atomic numbers.
How he discovered the elements
As he attempted to classify the elements according to the chemical properties, he noticed patterns that led him to postulate his periodic table; he claimed to have envisioned the complete arrangement of the elements in a dream.
In honor of Mendeleev
Mendeelev was born in 1834 . He was the youngest of up to 17 children no one knows the exact amount. In later years Mendeleev he became professor at Saint Petersburg Tech. Intstitute.In 1905, Mendeleev was elected a member of the Royal Swedish Academy of Science. in 1907 Mendeleev died from the flu.