Chemical and Physical Properties

Front

What is a chemical property of sodium (Na)?

Back

Reacts with water to form sodium hydroxide and hydrogen.

Front

What term describes substances that do NOT conduct heat and electricity well?

Back

Insulators.

Front

When can chemical properties be recognized?

Back

Chemical properties can only be recognized when substances react or do not react chemically with one another.

Front

How can a physical property be observed in relation to a chemical reaction?

Back

A physical property can be observed without a chemical reaction.

Front

What happens when baking powder reacts in baking?

Back

The baking powder reacts to release carbon dioxide bubbles, causing the dough to rise.

Front

Define a chemical change.

Back

A process where substances react to form new substances with different properties.

Front

What is the difference between a physical property and a chemical property?

Back

A physical property can be observed without changing the substance, while a chemical property can only be observed during a chemical reaction.

Front

Give an example of a physical property.

Back

Color, boiling point, melting point, density.

Front

What is an insulator?

Back

A material that does not conduct heat or electricity well.

Front

What is the significance of chemical properties in reactions?

Back

They help predict how substances will interact with each other.