periodic table

In 1869, _____________ created the first accepted version of the periodic table.

• Isaac Newton

• Dmitri Ivanovitch Mendeléev

In what year Dmitri Ivanovitch Mendeléev created the first accepted version of the periodic table.

• 1896

• 1869

Mendeleeve grouped elements according to their __________, and as he did, he found that the families had similar chemical properties

• atomic number

• atomic mass

________were left open to add the new elements he predicted would occur.

• filled spaces

• blank spaces

The most abundant element in the earth’s crust is

• carbon dioxide

• oxygen

• gold

Elements are organized on the table according to their

• electronic configuration

• atomic mass

• atomic number

The ________ refers to how many protons an atom has

The atomic number is unique to that element. No two elements have the same atomic number.

• false

• true

are good conductors of heat and electricity

Metals can be stretched into thin wires, so it means it is

• malleable

• ductile