Classifying Matter Flashcards

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Questions and Answers

What type of matter is sand?

  • Homogeneous mixture
  • Element
  • Heterogeneous mixture
  • Compound (correct)

What type of matter is table salt?

  • Compound (correct)
  • Homogeneous mixture
  • Heterogeneous mixture
  • Element

What type of matter is pure water?

  • Heterogeneous mixture
  • Element
  • Homogeneous mixture
  • Compound (correct)

What type of matter is soil?

<p>Heterogeneous mixture (D)</p> Signup and view all the answers

What type of matter is lemonade?

<p>Homogeneous mixture (B)</p> Signup and view all the answers

What type of matter is carbon dioxide?

<p>Compound (D)</p> Signup and view all the answers

What type of matter is gold?

<p>Element (B)</p> Signup and view all the answers

What type of matter is brass?

<p>Homogeneous mixture (D)</p> Signup and view all the answers

What type of matter is oxygen?

<p>Element (C)</p> Signup and view all the answers

What type of matter is Italian salad dressing?

<p>Heterogeneous mixture (A)</p> Signup and view all the answers

What type of matter is salt water?

<p>Homogeneous mixture (C)</p> Signup and view all the answers

What type of matter is air?

<p>Homogeneous mixture (B)</p> Signup and view all the answers

What type of matter is silver?

<p>Element (C)</p> Signup and view all the answers

What type of matter is lithium iodide?

<p>Compound (B)</p> Signup and view all the answers

What type of matter is apple pie?

<p>Heterogeneous mixture (A)</p> Signup and view all the answers

What type of matter is coffee?

<p>Homogeneous mixture (D)</p> Signup and view all the answers

What type of matter is chocolate chip cookie?

<p>Heterogeneous mixture (B)</p> Signup and view all the answers

What type of matter is Gatorade?

<p>Homogeneous mixture (C)</p> Signup and view all the answers

What type of matter is chicken soft taco from Taco Bell?

<p>Heterogeneous mixture (B)</p> Signup and view all the answers

What type of matter is lead?

<p>Element (C)</p> Signup and view all the answers

What type of matter is hydrogen peroxide?

<p>Compound (D)</p> Signup and view all the answers

Flashcards

Sand

A type of matter made of fine particles; a compound.

Table salt

A compound formed from sodium and chlorine; essential for flavor.

Pure water

A compound consisting of hydrogen and oxygen; essential for life.

Soil

A heterogeneous mixture containing organic matter, minerals, and microorganisms.

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Lemonade

A homogeneous mixture of water, sugar, and lemon juice.

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Carbon dioxide

A compound made from carbon and oxygen; essential for plants.

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Gold

An element known for its value and conductivity.

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Brass

A homogeneous mixture of copper and zinc; used in manufacturing.

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Oxygen

An element necessary for respiration and combustion.

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Italian salad dressing

A heterogeneous mixture of oil, vinegar, and herbs.

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Salt water

A homogeneous mixture of salt dissolved in water.

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Air

A homogeneous mixture of gases, primarily nitrogen and oxygen.

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Silver

An element known for its luster and conductivity.

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Lithium iodide

A compound used in batteries and pharmaceuticals.

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Apple pie

A heterogeneous mixture of apples, sugar, and pastry.

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Coffee

A homogeneous mixture of ground coffee beans and water.

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Chocolate chip cookie

A heterogeneous mixture of dough, chocolate chips, and nuts.

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Gatorade

A homogeneous mixture designed for hydration during sports.

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Chicken soft taco from Taco Bell

A heterogeneous mixture containing chicken, vegetables, and tortillas.

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Lead

An element known for its density and use in batteries.

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Hydrogen peroxide

A compound used for cleaning and disinfecting.

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Study Notes

Classification of Matter

  • Compounds: Substances formed from two or more elements that are chemically bonded. Examples include:

    • Sand
    • Table salt (sodium chloride)
    • Pure water (Hâ‚‚O)
    • Carbon dioxide (COâ‚‚)
    • Lithium iodide (LiI)
    • Hydrogen peroxide (Hâ‚‚Oâ‚‚)
  • Elements: Pure substances that cannot be broken down into simpler substances. Examples include:

    • Gold (Au)
    • Oxygen (Oâ‚‚)
    • Silver (Ag)
    • Lead (Pb)
  • Homogeneous Mixtures: Mixtures with a uniform composition throughout. Examples include:

    • Lemonade
    • Brass (an alloy of copper and zinc)
    • Salt water (solution of NaCl in water)
    • Air (a mixture of gases)
    • Coffee
    • Gatorade
  • Heterogeneous Mixtures: Mixtures with a non-uniform composition where different components can be seen. Examples include:

    • Soil
    • Italian salad dressing
    • Apple pie
    • Chocolate chip cookie
    • Chicken soft taco from Taco Bell

Key Characteristics of Matter Classification

  • Compounds exhibit distinct properties from the individual elements they comprise.
  • Mixtures retain the properties of their individual components.
  • Homogeneous mixtures appear uniform and consist of the same phase, while heterogeneous mixtures contain distinct phases.

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