Chemistry II Check-in

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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. Examples include Nitrogen, Oxygen, and Gold.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together. An example is sugar (C12H22O11).

Front

What is a heterogeneous mixture?

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A heterogeneous mixture is a mixture in which the components are not uniformly distributed and can be easily distinguished. An example is chicken soup.

Front

What is a homogeneous mixture?

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A homogeneous mixture is a mixture in which the components are uniformly distributed and cannot be easily distinguished. An example is coffee.

Front

Can a mixture be made of pure substances?

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True. A mixture can consist of two or more pure substances.

Front

What is the difference between a mixture and a compound?

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A mixture is a combination of two or more substances that retain their individual properties, while a compound is a substance formed from two or more elements that are chemically bonded.

Front

What is the chemical formula for sugar?

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The chemical formula for sugar is C12H22O11.

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What is an example of an element?

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An example of an element is Nitrogen (N).

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What is an example of a compound?

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An example of a compound is water (H2O).

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What is the main characteristic of a heterogeneous mixture?

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The main characteristic of a heterogeneous mixture is that its components can be easily separated and are not uniform.