The Periodic Table
Lesson Review <ul><li>Periodic Table </li></ul><ul><li>Group(Vertical Column) </li></ul><ul><li>Period(Horizontal Row) </l...
<ul><li>Group  Ι  Elements  (Alkali Metals) </li></ul><ul><li>Group  V ΙΙ   Elements  (Halogens) </li></ul><ul><li>Group 0...
 
<ul><li>Properties of </li></ul><ul><li>Group I Elements </li></ul><ul><li>Alkali Metals </li></ul>
One Electron  in  the outer shell Lithium  2,1 Sodium 2,8,1 Potassium  2,8,8,1
Form ions with +1 charge
Compounds of Group 1 Elements LiCl NaCl KCl Li 2 O Na 2 O K 2 O Li 2 SO 4 Na 2 SO 4 K 2 SO 4 Li 2 CO 3 Na 2 CO 3 K 2 CO 3 ...
caesium lithium sodium potassium rubidium <ul><li>SOFT </li></ul><ul><li>SILVERY  WHITE </li></ul>
Low densities &  Low melting points 29 1.9 Cs Caesium 39 1.5 Rb Rubidium 64 0.86 K Potassium 98 0.97 Na Sodium 180 0.53 Li...
Video Time!
<ul><li>Take Note: </li></ul><ul><li>Reactivity </li></ul><ul><li>Chemical Reaction </li></ul><ul><li>Universal Indicator ...
Li
Li
Na
Na
K
K
Cs
Which metal was most reactive? And which metal was least reactive?
Write out the chemical equations for reactions of Group  Ι  metals with water.
Reactions of Group  Ι  Metals 2K  (s)  + 2H 2 O (l)   2KOH  (aq)  + H 2  (g)   Immediate explosion Potassium 2Na  (s)  + 2...
--- Unknown Francium 2Cs  (s)  + 2H 2 O  (l)   2CsOH  (aq)  + H 2  (g)   Immediate Explosion Caesium 2Rb  (s)  + 2H 2 O (l...
What colour did the  universal indicator changed to? Was the solution acidic, neutral or alkaline?
Alkali Metals <ul><li>Physical properties </li></ul><ul><li>Melting Point & Density </li></ul><ul><li>Appearance </li></ul...
Next Lesson Group V ΙΙ  Elements  (Halogens)
<ul><li>Which halogen is added in small controlled amounts to help kill harmful bacteria in the Swimming pools? </li></ul>...
 
<ul><li>http://www.chemsoc.org/viselements/pages/periodic_table.html </li></ul><ul><li>http://chemlab.pc.maricopa.edu/peri...
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The Periodic Table

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The Periodic Table - Alkali metals

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The Periodic Table

  1. 1. The Periodic Table
  2. 2. Lesson Review <ul><li>Periodic Table </li></ul><ul><li>Group(Vertical Column) </li></ul><ul><li>Period(Horizontal Row) </li></ul><ul><li>Metals </li></ul><ul><li>Metalloids </li></ul><ul><li>Non-metals </li></ul>From left to right
  3. 3. <ul><li>Group Ι Elements (Alkali Metals) </li></ul><ul><li>Group V ΙΙ Elements (Halogens) </li></ul><ul><li>Group 0 Elements (Noble Gases) </li></ul><ul><li>Transition Elements </li></ul>Today's Lesson...... Group Properties
  4. 5. <ul><li>Properties of </li></ul><ul><li>Group I Elements </li></ul><ul><li>Alkali Metals </li></ul>
  5. 6. One Electron in the outer shell Lithium 2,1 Sodium 2,8,1 Potassium 2,8,8,1
  6. 7. Form ions with +1 charge
  7. 8. Compounds of Group 1 Elements LiCl NaCl KCl Li 2 O Na 2 O K 2 O Li 2 SO 4 Na 2 SO 4 K 2 SO 4 Li 2 CO 3 Na 2 CO 3 K 2 CO 3 Potassium Sodium Lithium Carbonate Sulphate Oxide Chloride Element
  8. 9. caesium lithium sodium potassium rubidium <ul><li>SOFT </li></ul><ul><li>SILVERY WHITE </li></ul>
  9. 10. Low densities & Low melting points 29 1.9 Cs Caesium 39 1.5 Rb Rubidium 64 0.86 K Potassium 98 0.97 Na Sodium 180 0.53 Li Lithium Melting Point(°C) Density (g/cm³) Symbol Name
  10. 11. Video Time!
  11. 12. <ul><li>Take Note: </li></ul><ul><li>Reactivity </li></ul><ul><li>Chemical Reaction </li></ul><ul><li>Universal Indicator </li></ul><ul><li>Appearance </li></ul>
  12. 13. Li
  13. 14. Li
  14. 15. Na
  15. 16. Na
  16. 17. K
  17. 18. K
  18. 19. Cs
  19. 20. Which metal was most reactive? And which metal was least reactive?
  20. 21. Write out the chemical equations for reactions of Group Ι metals with water.
  21. 22. Reactions of Group Ι Metals 2K (s) + 2H 2 O (l) 2KOH (aq) + H 2 (g) Immediate explosion Potassium 2Na (s) + 2H 2 O (l) 2NaOH (aq) + H 2 (g) Reacts very quickly; sometimes an explosion Sodium 2Li (s) + 2H 2 O (l) 2LiOH (aq) + H 2 (g) Reacts quickly Lithium Equation for reaction Observations Metal
  22. 23. --- Unknown Francium 2Cs (s) + 2H 2 O (l) 2CsOH (aq) + H 2 (g) Immediate Explosion Caesium 2Rb (s) + 2H 2 O (l) 2RbOH (aq) + H 2 (g) Explosion Rubidium Equation for reaction Observations Metal
  23. 24. What colour did the universal indicator changed to? Was the solution acidic, neutral or alkaline?
  24. 25. Alkali Metals <ul><li>Physical properties </li></ul><ul><li>Melting Point & Density </li></ul><ul><li>Appearance </li></ul><ul><li>Chemical properties </li></ul><ul><li>Reactivity </li></ul><ul><li>Reaction with Water </li></ul>Summary
  25. 26. Next Lesson Group V ΙΙ Elements (Halogens)
  26. 27. <ul><li>Which halogen is added in small controlled amounts to help kill harmful bacteria in the Swimming pools? </li></ul>Application
  27. 29. <ul><li>http://www.chemsoc.org/viselements/pages/periodic_table.html </li></ul><ul><li>http://chemlab.pc.maricopa.edu/periodic/periodic.html </li></ul><ul><li>http://www.theodoregray.com/PeriodicTable/Elements/InRGBSet/ </li></ul><ul><li>http://www.element-collection.com/html/explore_frameset2.htm </li></ul><ul><li>http://www.webelements.com/webelements/elements/text/Cs/key.html </li></ul>

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