Energy & Matter Bonus Points

Front

What is a metal?

Back

A metal is a type of element that is typically shiny, malleable, ductile, and a good conductor of heat and electricity.

Front

What is a nonmetal?

Back

A nonmetal is an element that lacks the characteristics of metals, often being dull, brittle, and poor conductors of heat and electricity.

Front

What is a metalloid?

Back

A metalloid is an element that has properties of both metals and nonmetals, often used in semiconductors.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.

Front

What is an example of a chemical change?

Back

Baking a cake is an example of a chemical change.

Front

What are the properties of metals?

Back

Metals are typically shiny, good conductors of heat and electricity, malleable, and ductile.

Front

What are the properties of nonmetals?

Back

Nonmetals are usually dull, brittle, and poor conductors of heat and electricity.

Front

What is the significance of silicon as a metalloid?

Back

Silicon is significant as a metalloid because it is used in electronics and semiconductors.