modern periodic chemical, chemical modem periodic, modem chemical periodic; know, knew, known Dmitri Mendeleev is considered the "father" of the______table. He wrote out the names, atomic masses and other properties of each_______elements o

modern periodic chemical, chemical modem periodic, modem chemical periodic; know, knew, known Dmitri Mendeleev is considered the "father" of the______table. He wrote out the names, atomic masses and other properties of each_______elements on separate cards. Then, he ordered them according their atomic mass.

modem chemical periodic；known