1 ESMOND: Variant spelling of Middle English Estmond, meaning gracious protector.. 2  ESMUND: Variant spelling of Middle English Esmond, meaning gracious protector.. 3  ESTMOND: Variant spelling of Middle English Estmund, meaning gracious protector..
Mendeleev was the inventor of the periodic table. He organized all the known elements into the periodic table based on atomic number. He was also able to predict the existence â¦ of elements that had not yet been discovered based on gaps in the table he created.
Dmitri Mendeleev was a Russian chemist who lived from 1834-1907. He is considered to be the most important contributor to the development of the periodic table. His version of the periodic table organized elements into rows according to their atomic mass, and into columns based on chemical and physical properties.Using his table, Mendeleev was able to predict characteristics of undiscovered elements.To unlock this lesson you must be a Study.com Member.hile constructing his version of the periodic table, Mendeleev noticed that some spaces were better left empty, because there was no known element that had the necessary characteristics. Mendeleev hypothesized that these empty spaces were for elements that had not been discovered yet.