Mendeleev

Who arranged the known elements into horizontal rows of increasing atomic mass leaving gaps for as yet undiscovered elements?

• Mendeleev

• Meyer

• Newlands

• Moseley

Mendeleev's table is organized by increasing mass and elements of similar _ are in the same column.

• properties

• atomic number

• protons

Mendeleev left blanks in his periodic table. He _ that elements would one day be discovered to fill them.

• predicted

• forgot

• misplaced

Tags

NGSS.MS-PS1-1

What nationality was Dmitri Mendeleev?

• Russian

• Jamaican

• German

• Scottish

A card game used as a model for Mendeleev's periodic table.

• Solitaire

• Poker

• Blackjack

• War

The element _ was discovered after Mendeleev died. This filled the blank below Al on his periodic table.

• Germanium

• Gallium

• Scandium

• Carbon

Tags

NGSS.MS-PS1-1

When did Mendeleev invent the periodic table?

• 1889

• 1869

• 1899

• 1901

What was one of Mendeleev's Goals?

• To invent coffee

• To invent the cure for cancer

• To invent an atom

• To invent the periodic table

Who is credited with creating the first version of the periodic table?

• Dmitri Mendeleev

• Henry Moseley

• John Dalton

• Antoine Lavoisier

What was the primary criterion Mendeleev used to arrange elements in his periodic table?

• Atomic number

• Atomic mass

• Density

• Electronegativity