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Fun with the Periodic Table

Fun with the Periodic Table. Task One: Organizing a Store. Clipart from Clipartheaven.com. Essential ? And GPS. How and why do you organize items in everyday life? SC4 Students will use the organization of the periodic table to predict properties of elements. What do you see?.

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Fun with the Periodic Table

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  1. Fun with the Periodic Table

  2. Task One: Organizing a Store • Clipart from Clipartheaven.com

  3. Essential ? And GPS • How and why do you organize items in everyday life? • SC4 Students will use the organization of the periodic table to predict properties of elements.

  4. What do you see?

  5. What do you think? • How many items does a supermarket have?

  6. What does a Supermarket have to do with the Periodic Table? • You have probably developed categories for many things in your life. What are some examples you can come up with? • Imagine life unsorted without categories. • Think about what a supermarket would be like. • Like items in a supermarket, the elements share similar chemical and physical properties.

  7. Activity 2: Elements and their Properties www.chem4kids.com

  8. Essential ? And GPS • What are the specific properties of materials that allow them to be classified as metals and nonmetals? • SC4. Students will use the organization of the Periodic Table to predict properties of elements. • b. Compare and contrast trends in the chemical and physical properties of elements and their placement on the Periodic Table.

  9. What Do You See?

  10. Directions • 1. Observations: color, appearance, state • 2. Conductivity with probe, light = positive • 3. Add small amount to test tube, add 4-5 drops of HCl to cover, observe chemical changes • 4. Magnetic, put magnet on the bottom of the container and observe • 5. Oxides: Use dropper bottles (share), color change on pH paper

  11. What is an element? • A substance that cannot be broken down or decomposed into simpler substances by chemical means. www.chem4kids.com

  12. Elements

  13. Physical property of a substance is a characteristic that the substance displays and can be measured without undergoing a change in composition. Chemical Property of a substance is a characteristic that the substance displays as it undergoes a change in composition.

  14. Elements and their Properties • Every element has different properties that you will learn about in this activity. • Reactivity with HCl (hydrochloric acid) • Magnetic or Not? • Metal or Nonmetal? • pH of oxide • There are many groups or families of elements • Alkali Metals: they react explosively and are softer than you would think a metal would be •  Alkali Metals: Include Calcium found in your bones and teeth • Transition metals are shiny and they conduct electricity • Metalloids are semi-conductors used in all computer chips • Non-metals include oxygen, nitrogen, and carbon groups • Halogens include fluorine that you have in toothpaste • Noble gases include neon (used in lights), and helium (used in balloons)

  15. Dimitri Mendeleev • Mendeleev is credited with arranging the 63 known elements into a Periodic Table based on atomic mass, which he published in Principles of Chemistry in 1869.

  16. Mendeleev’s Periodic Table http://web.fccj.org/~ethall/2045/ch5/mendelev.htm

  17. Modern Periodic Table http://www.elementsdatabase.com/

  18. Modern Periodic Table

  19. Groups or Families are arranged Vertically

  20. Periods go across the table horizontally

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