Understanding the Periodic Table: Metals, Non-metals, and Metalloids

What are the three main types of elements found in the periodic table?

• Conductors, Insulators, and Semiconductors

• Alkaline, Transition, and Noble Gases

• Solids, Liquids, and Gases

• Metals, Non-metals, and Metalloids

Which of the following is a characteristic of metals?

• Usually gaseous at room temperature

• Poor conductors of electricity

• Brittle and dull

• Good conductors of heat

How are metals classified within the periodic table?

• Into gases, liquids, and solids

• By their color

• Into alkaline metals, transition metals, and others

• By their atomic number

Which of the following is true about non-metals?

• They are shiny and lustrous

• They are usually gaseous at room temperature

• They are malleable and ductile

• They have high melting and boiling points

What is a unique property of metalloids?

• They are always solid at room temperature

• They are always liquid at room temperature

• They are the hardest substances known

• They can conduct electricity under certain conditions