he invented an early version of the Periodic Table, and was able to use it to predict what unfound elements properties would be
he follow the periodic law and place the similar elements according their mass number.
He formulated the Periodic Law and revised and predicted the Periodic Table of Elements in some important ways.
Chemical elements arrangement was the object of study for Mendeleev.
Mendeleev published the periodic table in 1869.
Dmitri Mendeleev developed the first periodic table of the elements.
Ga, Sc and Ge were important to Mendeleev because these three elements have the same physical and chemical properties.
When these elements were discovered, they fitted Mendeleev's predictions so well that they provided enormous support for his ideas. This meant that many more people accepted Mendeleev's work.
He was the principal of a gymnasium
Mendeleev. Many others contributed ideas before bu Mendeleev's contribution is considered the most important.
In his lab...
Mendel was the father of genetics.
rombolide
an award given to a scientist for outstanding work in chemistry.