IPC: Unit 2 Review

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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.

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What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together in fixed proportions.

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What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition throughout, meaning the individual components are not distinguishable.

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What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture where the individual components can be seen and are not uniformly distributed.

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What is an intensive property?

Back

An intensive property is a property that does not depend on the amount of substance present, such as melting point or density.

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What is an extensive property?

Back

An extensive property is a property that depends on the amount of substance present, such as mass or volume.

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What is decanting?

Back

Decanting is a separation technique that involves pouring off the top layer of a liquid to separate it from solids or other liquids.

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What is the melting point?

Back

The melting point is the temperature at which a solid becomes a liquid at atmospheric pressure.

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What is a solution?

Back

A solution is a homogeneous mixture where one substance (the solute) is dissolved in another (the solvent).

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What is the difference between a mixture and a compound?

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A mixture is a physical combination of two or more substances that retain their individual properties, while a compound is a chemical combination of two or more elements that results in a new substance.