TEKS 8.6A Pure Substances and Mixtures

Front

A substance that is made of only one type of atom is a(n)...

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Element

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112.28.b.6.A

Front

A substance that is made of 2 or more types of atoms bonded together in a specific ratio is a(n)...

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Compound

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112.28.b.6.A

Front

A uniform mixture, with no visible clumps or layers is...

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Homogeneous

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112.28.b.6.A

Front

A non-uniform mixture, with visible clumps or layers is...

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Heterogeneous

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112.28.b.6.A

Front

What kind of matter is sugar (C₁₂H₂₂O₁₁)?

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Pure substance; compound

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112.28.b.6.A

Front

Which of these samples could represent a compound? Select ALL that apply.
Options: A, B, C, D

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C

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112.28.b.6.A

Front

Which of these samples could represent a mixture? Select ALL that apply.
Options: A, B, C, D

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D

Tags

112.28.b.6.A

Front

Which of the following statements is TRUE?

• Pure substances include homogeneous mixtures and elements.
• Mixtures include compounds, homogeneous mixtures, and heterogeneous mixtures.
• Pure substances include elements and compounds.
• Only elements are pure substances. All other substances are mixtures.

Back

Pure substances include elements and compounds.

Tags

112.28.b.6.A