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Elements, Compounds, Mixtures Oh My!

Elements, Compounds, Mixtures Oh My!. Quick Review …. Matter is something that has mass and takes up space. It is made up of atoms which are tiny pieces of matter made up of protons, neutrons and electrons.

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Elements, Compounds, Mixtures Oh My!

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  1. Elements, Compounds, Mixtures Oh My!

  2. Quick Review … • Matter is something that has mass and takes up space. • It is made up of atoms which are tiny pieces of matter made up of protons, neutrons and electrons. • Atoms are divided up into different types (elements) based on the number of protons it has.

  3. Element: A substance that CANNOT be broken down into simpler substances by chemical means, it is made up entirely of one type of atom

  4. We can find all the different elements on the periodic table.

  5. Molecule: A substance that has two or more atoms joined together by a chemical bond

  6. Examples: Hydrogen gas H2, Oxygen gas O2, Water H2O, Methane CH4

  7. Compound: A substance made up of atoms of two or more different elements joined by chemical bonds

  8. Examples: Carbon dioxide CO2, Glucose C6H12O6

  9. What’s the difference between a molecule and compound?

  10. What’s the difference between a molecule and compound? • Compounds have to have at least two different elements bonded together whereas molecules could be the same element bonded together.

  11. Are all compounds molecules?

  12. Are all compounds molecules? • Yes, compounds have two or more atoms joined together which is what is required to be a molecule

  13. Are all molecules compounds?

  14. Are all molecules compounds? • No, molecules could have the same atoms bonded together and to be a compound they have to be different

  15. Which of these are molecules? Which of these are compounds?

  16. Mixtures: A combination of two or more substances that are not chemically combined

  17. Homogeneous Mixture– is the same throughout Examples: apply juice, tea, sugar water

  18. Homogenous Mixture

  19. Homogenous Mixture

  20. Homogenous Mixture

  21. Homogenous Mixture • Salt water

  22. Heterogeneous Mixture– not uniform throughout, has different parts that you can see Examples: soil samples, orange juice with pulp, chicken noodle soup

  23. Heterogeneous Mixture

  24. Heterogeneous Mixture

  25. Heterogeneous Mixture

  26. Heterogeneous Mixture

  27. Brain storm with your shoulder buddy two more examples of each type of mixture.

  28. Solutions: A type of homogenous mixture *Kool-aid is a solution of water, sugar and kool-aid mix

  29. There are two parts to a solution… 1) Solvent – material in which the solute is dissolved *For kool-aid water is the solvent 2) Solute – the substance that is dissolved in the solvent *For kool-aid, sugar and kool-aid mix are the solutes

  30. Practice with the chart on your paper…

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