Understanding the Periodic Table

What percentage of elements in the periodic table are metallic in nature?

• 80%

• 60%

• 70%

• 50%

Which of the following is NOT a characteristic of metals?

• Conducts electricity

• Shiny

• Malleable

• Brittle

What is the primary characteristic of non-metals at room temperature?

• Gas

• Liquid

• Solid

• Plasma

Where are metalloids located on the periodic table?

• Below the staircase

• On the staircase

• Right of the staircase

• Left of the staircase

What is a unique property of alkali metals?

• They can be cut with a knife

• They are non-reactive

• They are very hard

• They are gases at room temperature

Why are alkali metals highly reactive?

• They have one valence electron

• They have a full outer shell

• They are gases

• They are non-metals

What does the term 'halogen' mean?

• Water forming

• Salt forming

• Gas forming

• Metal forming

Why are noble gases considered inert?

• They have a full outer shell

• They are liquids

• They are metals

• They are highly reactive

What do representative elements exhibit?

• All properties of elements

• No properties

• Only non-metallic properties

• Only metallic properties

What are the inner transition metals also known as?

• Noble gases

• Alkali metals

• Lanthanides and actinides

• Halogens