Periodic Table Review

Front

What is a semiconductor?

Back

A semiconductor is a material that has electrical conductivity between that of a conductor and an insulator. It can conduct electricity under certain conditions.

Front

What is the classification of a semiconductor?

Back

A semiconductor is always classified as a metalloid.

Front

What is an insulator?

Back

An insulator is a material that barely transfers heat and electricity.

Front

What is a conductor?

Back

A conductor is a material that allows the flow of electric current or heat.

Front

What does the term 'brittle' mean in relation to materials?

Back

Brittle describes a physical property of matter that easily breaks or shatters.

Front

What is the significance of the zigzag line on the periodic table?

Back

The zigzag line on the periodic table separates metals from nonmetals and indicates the location of metalloids.

Front

Which element is NOT considered a metalloid despite being located along the zigzag line?

Back

Aluminum is located along the zigzag line but is classified as a metal, not a metalloid.

Front

What does 'ductile' mean?

Back

Ductile refers to a physical property of a material that can be stretched into a wire without breaking.

Front

What does 'malleable' mean?

Back

Malleable describes a material that can be hammered or pressed into shapes without breaking.

Front

What is the correct way to write the symbol for Iron?

Back

The correct symbol for Iron is 'Fe', not 'FE'.