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Ionic and Covalent Compounds

Ionic and Covalent Compounds. Station 1. What is the chemical formula? How many valence electrons are being shared total? How many valence electrons are NOT being shared? What type of bond is between H and O? Single? Double? Triple? Are each of the atoms happy? (yes or no). H 2 O. 4. 4.

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Ionic and Covalent Compounds

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  1. Ionic and Covalent Compounds

  2. Station 1 • What is the chemical formula? • How many valence electrons are being shared total? • How many valence electrons are NOT being shared? • What type of bond is between H and O? Single? Double? Triple? • Are each of the atoms happy? (yes or no) H2O 4 4 single yes

  3. Station 2 • What is the chemical formula? • How many electrons are being shared total? • How many electrons are NOT being shared? • How many electrons are in the double bond between N and O? • Are each of the atoms happy? (yes or no) NO3 8 16 4 yes

  4. Station 3 • What is the chemical formula? • How many electrons are being shared total? • How many electrons are NOT being shared? • How many electrons are in the triple bond between C and N ? • Are each of the atoms happy? (yes or no) HCN 8 2 6 yes

  5. Station 4 • What is the chemical formula? • How many valence electrons are being shared total? • How many valence electrons are NOT being shared? • What type of bond is between O and O? Single? Double? Triple? • Are each of the atoms happy? (yes or no) O2 4 8 double yes

  6. Station 5 1. Look at the examples above. How many bonds does hydrogen form? 2. Hydrogen ALWAYS forms this number of bonds. Why? ONE It only needs one more electron to have a full outer shell

  7. 1) Formed when one or more atoms want to gain electrons 2) Atoms in the compound have charges that balance out. Station 6 Covalent Compounds Ionic Compounds 6) Formed when one atom wants to gain and one atom wants to lose electrons 3) Atoms transfer electrons 4) Compounds have a total charge of zero 5) Atoms share electrons

  8. Station 6 KEY Covalent Compounds Ionic Compounds 3) Atoms transfer electrons 2) Atoms in the compound have charges that balance out. 5) Atoms share electrons 4) Compounds have a total charge of zero 6) Formed when one atom wants to gain and one atom wants to lose electrons 1) Formed when one or more atoms want to gain electrons

  9. Station 7: Ionic or Covalent Compound?(Just write I or C) • CO _______ • MgO _______ • BN _______ • Cl2 _______ • KCl _______ C I I C I

  10. Chemical Equations Basics

  11. 18 3 6

  12. 2 2 3 2 2 2 2 2 2 2

  13. 2 2 Decomposition Al + HCl AlCl3 + H2 2 3 Single replacement 2 6 NaCl Na + Cl2 2 2 2 Na + HCl H2 + NaCl Single replacement Balance these! AND decide what type of reaction…

  14. Classifying Chemical Reactions

  15. 1. S 2. D 3. SR 4. S 5. DR 6. DR 7. C 8. C 9. C 10.DR • N2 + 3H22NH3 • 2KClO3 2KCl + 3O2 • 2NaCl + F2 2NaF + Cl2 • 2H2 + O2 2H2O • 2AgNO3 + MgCl2 2AgCl + Mg(NO3)2 • 2AlBr3+3K2SO4 6KBr + Al2(SO4)3 • CH4 + 2O2 CO2 + 2H2O • C3H8 + 5O2 3CO2 + 4H2O • 2C8H18 + 25O2 16CO2 + 18H2O • FeCl3 + 3NaOH  Fe(OH)3 + 3NaCl

  16. Characteristic Properties

  17. Energy and Rate of Chemical Reactions

  18. Exo or endo? Energy Reaction Progress

  19. Exo or endo? Energy Reaction Progress

  20. Exo or Endo? What “type” of reaction is this? 3CO2 + 4H2O combustion Energy C3H8 + 5O2 Reaction Progress

  21. Exo or Endo? What “type” of reaction is this? 2H2O synthesis Energy 2H2 + O2 Reaction Progress

  22. Exo or Endo? What “type” of reaction is this? 2AlBr3+3K2SO4 Double replacement 6KBr + Al2(SO4)3 Reaction Progress

  23. Exo or Endo? What “type” of reaction is this? 2NaCl + F2 Single replacement 2NaF + Cl2 Reaction Progress

  24. Exo or Endo? What “type” of reaction is this? 2KCl + 3O2 decomposition Energy 2KClO3 Reaction Progress

  25. Element Math- For Acuity

  26. 20 Protons: Neutrons Electrons: 20 20

  27. Protons: Electrons: Neutrons: 19 19 20

  28. Electrons: Protons: Neutrons: 22 22 26

  29. Protons = Electrons = Neutrons = 14 14 14

  30. Protons = Electrons = Neutrons = 15 15 16

  31. Protons = Electrons = Neutrons = 18 18 22

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