Exploring Metals, Nonmetals, and Metalloids

Which elements are considered metalloids?

• Boron, Silicon, Arsenic, Tellurium, Astatine, Polonium, Antimony, Oxygen

• Boron, Silicon, Arsenic, Tellurium, Astatine, Polonium, Antimony, Carbon

• Boron, Silicon, Arsenic, Tellurium, Astatine, Polonium, Antimony, Aluminum

• Boron, Silicon, Arsenic, Tellurium, Astatine, Polonium, Antimony, Germanium

What is the exception to the rule that elements touching the bold line are metalloids?

• Arsenic

• Aluminum

• Silicon

• Germanium

Which of the following is NOT a characteristic of metals?

• Malleable

• Ductile

• Poor conductor of heat

• Shiny

What does it mean when a metal is described as 'ductile'?

• It is a good conductor of heat

• It can be formed into wires

• It is shiny

• It can be pounded into thin sheets

Why should you avoid using a metal fork in an electrical outlet?

• It will become dull

• It will conduct electricity and cause a shock

• It will melt

• It will break

Tags

NGSS.MS-PS2-3

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

• Shiny

• Malleable

• Good conductor of electricity

• Brittle

Non-metals are generally poor conductors of which of the following?

• Neither electricity nor heat

• Electricity

• Both electricity and heat

• Heat

What is a key characteristic of metalloids?

• They are always shiny

• They are always good conductors of heat

• They are always brittle

• They have properties of both metals and non-metals

Which metalloid is commonly used in semiconductors?

• Boron

• Silicon

• Tellurium

• Arsenic

Where are non-metals generally located on the periodic table?

• Middle

• Bottom

• Right side

• Left side