Dmitri Ivanovich Mendeleev(Russian (February 7, 1834 - January 20, 1907) was a Russian chemist who became known as one of two scientists who created the first version of the Periodic Table of Elements. He stated that the elements were arranged in a pattern which allowed him to predict the ...
tableof 1871, he left gaps in places where he believed unknown elements would find their place. He even predicted the likely properties of three of the potential elements. The subsequent proof of many of his predictions within his lifetime brought fame to Mendeleev as the founder of the...