Dmitri Mendeleev

Ebelin Rojas, Emilie Dominguez, deissy luna, Shelby KIrby

Who created the first accepted Periodic Table ?

Dmitri Mendeleev

How did placing gaps where undiscovered elements might go make Mendeleev's table more acceptable?

kept groups properly allgned

What did Mendeleev's do for these undiscovered elements that later validated his ideas

predicted the properties

what correction to the order of elements did henry monseley make to the periodic table?

order them by atomic number

what do we now know is the reason for the repeating pattern of elements?

if you order them by atomic # instead of atomic number