Matter Review

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What is a homogeneous mixture?

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

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What are chemical properties?

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Chemical properties are characteristics of a substance that can only be observed when it undergoes a chemical change or reaction.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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What does a mixture of compounds mean?

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A mixture of compounds refers to a combination of two or more different compounds that are not chemically bonded.

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What is an element?

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

Tags

NGSS.MS-PS1-5

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What does it mean if a mixture is heterogeneous?

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

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What is a compound?

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

Tags

NGSS.MS-PS1-1

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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 substances that retain their individual properties, while a compound is a chemical combination of substances that results in a new substance with different properties.

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What are physical properties?

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Physical properties are characteristics of a substance that can be observed or measured without changing the substance's chemical identity.

Tags

NGSS.MS-PS1-4

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What is a solution?

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

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What is the state of matter represented by oxygen gas (O2)?

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Oxygen gas (O2) is an element in its gaseous state.

Tags

NGSS.MS-PS1-4