Understanding the Periodic Table

Which element is an exception to the rule that elements on the left side of the periodic table are metals?

• Carbon

• Oxygen

• Hydrogen

• Helium

What are the vertical columns in the periodic table called?

• Periods

• Blocks

• Rows

• Groups

What are the horizontal rows in the periodic table known as?

• Groups

• Periods

• Families

• Series

Which group of elements is known as the alkali metals?

• Group 1

• Group 2

• Group 17

• Group 18

What is the name given to the group of elements that includes fluorine and chlorine?

• Alkaline earth metals

• Noble gases

• Alkali metals

• Halogens