Respuesta :
The first person to discover a Periodic Table was Dmitry Mendeleyev, a Russian chemist founded the periodic table in 1869.
Dmitri Mendeleev, considering he created it.
Dmitri Mendeleev, considering he created it.
ANSWER : Dmitri Mendeleev
he discovered the periodic table when he attempted to organize the elements
he discovered the periodic table when he attempted to organize the elements