Periodic Table

What was the man's name that developed the Periodic Table?

• Charles Darwin

• Luis Pasteur

• Isaac Newton

• Dmitri Mendeleev

In the modern Periodic Table, the elements are arranged in order of increasing...

• Mass number

• Oxidation number

• Atomic number

• Valence number

More than two-thirds of the elements are classified as...

• nonmetals

• metalloids

• metals

• gases

Which class of elements best conducts electricity?

• Metals

• Nonmetals

• Metalloids

• Semimentals

Metals are considered to have all the following characteristics except...

• Malleable

• Ductile

• Brittle

• Luster

Malleable means...

• to be hammered into sheets

• to be drawn into wire

• to be shiny

• to be brittle

Ductile means...

• to be hammered into sheets

• to be drawn into wire

• luster/shiny

• brittle

If something has luster, it is...

• dull

• brittle

• shiny

• strong

Metalloids

• An element that has both metallic and nonmetallic properties found along the stairstep between the metals and nonmetals.

• Found in Group 1 of the Periodic Table and are highly reactive.

• Not able to conduct heat or electricity and little to no luster.

• Elements that occur in vertical columns on the Periodic Table.

Number of protons and neutrons is called...

• Inert gases

• Atomic number

• Atomic Mass

• Noble gases