Periodic Table Quiz

Who developed the first periodic table?

• Henry Moseley

• Dmitri Mendeleev

• Marie Curie

What does the atomic number represent in the periodic table?

• The number of protons in an atom

• The number of neutrons in an atom

• The atomic mass of an atom

What is the atomic mass of Manganese?

• 25

• 54.938

• 78.96

• 18.998

What is the atomic symbol for Selenium?

• Se

• S

• Sn

• Si

What do elements in the same group have in common?

• Similar chemical properties

• Similar physical states

• Similar colors

What do the horizontal rows in the periodic table represent?

• Groups

• Periods

• Elements

• Blocks

What do the vertical columns in the periodic table represent?

• Periods

• Groups

• Rows

Which of the following is an example of a metal?

• Silicon

• Aluminum

• Carbon

• Sulfur

What is a characteristic of nonmetals?

• Good conductors of electricity

• Poor conductors of electricity

• Malleable

Which element is an example of a nonmetal?

• Iron (Fe)

• Helium (He)

• Copper (Cu)

• Silver (Ag)