Properties of Matter

Front

What is a chemical change?

Back

A process where substances combine or break apart to form new substances, often accompanied by energy changes, such as Alka-Seltzer releasing carbon dioxide in water.

Front

What is a physical property?

Back

A characteristic of a substance that can be observed or measured without changing its identity, such as color.

Front

What is a chemical property?

Back

A characteristic of a substance that describes its ability to undergo a specific chemical change, such as flammability.

Front

Give an example of a chemical property.

Back

Combustibility, which is the ability of a substance to catch fire and burn.

Front

What does it mean for a substance to rust?

Back

Rusting is a chemical property that describes the reaction of iron with oxygen in the presence of moisture, forming iron oxide.

Front

What is flammability?

Back

Flammability is a chemical property that indicates how easily a substance can ignite and burn.

Front

What is the difference between physical and chemical properties?

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Physical properties can be observed without changing the substance, while chemical properties can only be observed during a chemical reaction.

Front

What is an example of a physical change?

Back

Melting ice into water, where the substance changes state but remains the same substance.

Front

What is solubility?

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Solubility is a physical property that describes the ability of a substance to dissolve in a solvent, such as sugar in water.

Front

What is the definition of a substance?

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A form of matter that has a uniform and definite composition, such as elements and compounds.