Exploring Metals, Nonmetals, and Metalloids

Which of the following is NOT a characteristic of metals?

• Good conductors of heat

• Shiny

• Brittle

• Malleable

How many metals are there approximately on the periodic table?

• 50

• 70

• 88

• 7

Which of the following is a characteristic of non-metals?

• Shiny

• Ductile

• Brittle

• Good conductors of electricity

Which element is the only liquid non-metal?

• Oxygen

• Hydrogen

• Helium

• Bromine

How many non-metals are there approximately on the periodic table?

• 88

• 7

• 50

• 70

Which of the following is a metalloid?

• Copper

• Nickel

• Silicon

• Oxygen

What is a key characteristic of metalloids?

• They are insulators

• They are semiconductors

• They are malleable

• They are ductile