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BY: ASTI RAHAYU SLAMET

BY: ASTI RAHAYU SLAMET. ALKALI METALS. ALKALI ELEMETS. WHAT DO YOU THINK ABOUT IT???. CONTENT OF MATTER. What do you know about characters alkali metals???. Alkali metals is the most reactive metal. The compounds alkali metal ions and compounds are generally classified soluble in water.

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BY: ASTI RAHAYU SLAMET

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  1. BY: ASTI RAHAYU SLAMET ALKALI METALS

  2. ALKALI ELEMETS

  3. WHAT DO YOU THINK ABOUT IT???

  4. CONTENT OF MATTER

  5. What do you know about characters alkali metals???

  6. Alkali metals is the most reactive metal The compounds alkali metal ions and compounds are generally classified soluble in water.

  7. Reactivity of alkali metals ANIMASI

  8. Comparison the character of alkali metal and alkaline earth To the right (one period) Under (one group) Increased speed Increasing atomic radius Increased reductant Reduced boiling point Reduced melting point • Increases the melting point • Increasing boiling point • Increased destiny • Reduced atomic radius • Reduced volume of the atom • Reduced base

  9. Alkali metals abudance

  10. ANIMASI ANIMASI Alkali manufacture (making natrium)

  11. HERE IS THE REACTION REACTION: NaCl(l) → 2Na+(l) + 2Cl- (l) CATHODE : 2Na+ (l) + 2e → 2Na (l) ANODE : 2Cr (l) → Cl2(g) + 2e

  12. Useful of lithium Lithium batteries used to make Function of Alkali metals

  13. Sodium cloride is used fortable salt KNO3 used as an essential componenet of explosive

  14. For fertilizer and plant (KCl & K2SO4) use as an essential component of explosives Cont’d

  15. TASK • Find the other functions of the alkali metals !!!

  16. Simulations of alkali metal ANIMASI

  17. Cont’d VIDEO

  18. EXERCISES Alkali metal is more reactive than the alkaline earth TRUE FALSE

  19. Cont’d • In the manufacture of sodium metal, molten NaCl is mixed with compounds CaCl2 objective that sodium metal produced the more • TRUE FALSE

  20. TEST • Between the base below the greatest solubility…. • A. Mg(OH)2 • B. Ba(OH)2 • C. Be(OH)2 • D. Sr(OH)2 • E. Ca(OH)2

  21. 2. If the compound KNO3 was burnt on the fire, the flame color of potassium Is….. • Purple • Red • Blue • Green • Yellow

  22. TOTAL TRUE :TOTAL FALSE : TEST RESULT

  23. THANK YOU …….

  24. PROFILE :ASTI RAHAYU SLAMET (0900710)

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