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Elements, Compounds, or Mixtures???

Elements, Compounds, or Mixtures???. What is Matter? What are examples of matter? What is NOT matter?. Anything that has mass and takes up space. People, atoms, chairs, food,…etc. Emotions, Energy. Matter. Atom.

hilary-shannon
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Elements, Compounds, or Mixtures???

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  1. Elements, Compounds, or Mixtures???

  2. What is Matter? What are examples of matter? What is NOT matter? Anything that has mass and takes up space. People, atoms, chairs, food,…etc. Emotions, Energy Matter

  3. Atom • A unit of Matter, the smallest unit of an element having all the characteristics of that element • Contains Protons, Neutrons, and Electrons

  4. Element • A Pure substane containing only one kind of ATOM • Examples: Lithium (Li), Calcium (Ca), Oxygen (O)

  5. Compound • A pure substance containing two or more DIFFERENT kinds of atoms CHEMICALLY COMBINED • Examples: Sodium Chloride (Table Salt)

  6. Mixture • Two or more elements or compounds not chemically combined • Examples: Pop, Cereal, Salad, Salt Water

  7. Heterogeneous Mixture • A non uniform mixture • Examples: Raisin Bran, Fruit Salad, Sand

  8. Homogeneous Mixture • A uniform mixture, also called a solution • Examples: Salt Water, Apple Juice

  9. Pure Substance • Substance with the same composition throughout and the same set of properties • Elements, or Compounds • H2O, S8, O2, H2

  10. Molecule • The smallest particle of a substance that retains the chemical and physical properties of the substance and is composed of two or more atoms

  11. Atoms, Molecules,or Both? Element, Cmpd, Mix? Heterogeneous or Homogeneous? Atoms Element Homgeneous

  12. Atoms, Molecules,or Both? Element, Cmpd, Mix? Heterogeneous or Homogeneous? Molecules Compound Homgeneous

  13. Atoms, Molecules,or Both? Element, Cmpd, Mix? Heterogeneous or Homogeneous? Both Mix Heterogeneous

  14. Which of the following is a pure Substance? • A • B • C

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