FLASHCARDIZZ Matter Lessons 1 and 2

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What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.

Front

What is a chemical property?

Back

A chemical property is a characteristic of a substance that can only be observed during a chemical reaction, indicating how a substance interacts with other substances.

Front

What is a physical property?

Back

A physical property is a characteristic of a substance that can be observed or measured without changing the substance's chemical identity.

Front

What is a chemical change?

Back

A chemical change is a process that involves the transformation of one or more substances into different substances, often accompanied by energy changes.

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 patina?

Back

Patina is a green or brown film that forms on the surface of metals, such as copper, due to oxidation and other chemical reactions.

Front

What is an example of a chemical reaction?

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Burning wood is an example of a chemical reaction, as it involves the transformation of wood into ash, smoke, and gases.

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

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A chemical property describes how a substance reacts with other substances, while a physical property describes characteristics that can be observed without changing the substance.

Front

What happens during the melting of wax?

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The melting of wax is a physical change where the wax changes from solid to liquid without altering its chemical structure.

Front

What is conductivity?

Back

Conductivity is the ability of a substance to conduct electricity or heat, often associated with metals.