Warm up: Nonmetals, metals...chemical changes

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances with different properties.

Front

Give an example of a chemical change.

Back

Iron rusting is an example of a chemical change.

Front

What is a nonmetal?

Back

Nonmetals are elements that typically lack the characteristics of metals, such as being poor conductors of heat and electricity.

Front

Identify a common nonmetal element.

Back

Oxygen (O) is a common nonmetal element.

Front

What is a characteristic of metals?

Back

Metals are malleable and ductile, meaning they can be shaped and stretched without breaking.

Front

What is a metalloid?

Back

Metalloids are elements that have properties of both metals and nonmetals.

Front

Identify a common metalloid.

Back

Silicon (Si) is a common metalloid.

Front

What evidence indicates a chemical change has occurred?

Back

The production of a gas is evidence that a chemical change has occurred.

Front

What happens to a substance during a physical change?

Back

During a physical change, a substance changes its form but not its chemical composition.

Front

What is an example of a physical change?

Back

Ice melting into water is an example of a physical change.