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Final Exam Review

Final Exam Review. How many protons in a sulfur atom?. How many protons in a sulfur atom?. 16. How many valence electrons in an arsenic atom?. How many valence electrons in an arsenic atom?. 5. J.J. Thomson discovered the _________. J.J. Thomson discovered the _________. electron.

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Final Exam Review

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  1. Final Exam Review

  2. How many protons in a sulfur atom?

  3. How many protons in a sulfur atom? • 16

  4. How many valence electrons in an arsenic atom?

  5. How many valence electrons in an arsenic atom? • 5

  6. J.J. Thomson discovered the _________ .

  7. J.J. Thomson discovered the _________ . • electron

  8. Rutherford discovered the _________ .

  9. Rutherford discovered the _________ . • nucleus

  10. How many orbitals can be in each sublevel? • s • p • d • f

  11. How many orbitals can be in each sublevel? • s: 1 • p: 3 • d: 5 • f: 7

  12. Define: physical property

  13. Define: physical property • Can be observed without a change in composition

  14. Define: chemical change

  15. Define: chemical change • Involves a change in composition. It’s the same as a chemical reaction.

  16. How many atoms in 1.3 moles of Carbon?

  17. How many atoms in 1.3 moles of Carbon? • 7.8 x 1023

  18. Balance:CH4 + O2 CO2 + H2O

  19. Balance:CH4 + O2 CO2 + H2O • CH4 + 2 O2 CO2 + 2 H2O

  20. State type of reaction & complete equation • AlPO4 + Ca(NO3)2

  21. State type of reaction & complete equation • AlPO4 + Ca(NO3)2 Al(NO3)3 + Ca3(PO4)2

  22. Balance the equation • AlPO4 + Ca(NO3)2 Al(NO3)3 + Ca3(PO4)2

  23. Balance the equation • 2 AlPO4 + 3 Ca(NO3)2 2 Al(NO3)3 + Ca3(PO4)2

  24. Write the formula forammonium carbonate

  25. Write the formula forammonium carbonate • (NH4)2CO3

  26. Write the formula forIron (III) Carbonate

  27. Write the formula forIron (III) Carbonate • Fe2(CO3)3

  28. What is the molar mass of ferrous phosphate?

  29. What is the molar mass of ferrous phosphate? • Fe3(PO4)2 • 357.5 g/mole

  30. How many neutrons are there in sulfur-33 ?

  31. How many neutrons are there in sulfur-33 ? • 17

  32. What are orbitals?

  33. What are orbitals? • Areas of highest probability of electron location

  34. What is a polar covalent bond?

  35. What is a polar covalent bond? • A bond in which the electrons are shared unequally among the atoms

  36. Draw the Lewis structure for SiO2

  37. O Si O Draw the Lewis structure for SiO2

  38. Write the electron configuration for Fe

  39. Write the electron configuration for Fe • 1s22s22p63s23p64s23d6

  40. What are the valence electrons for Br?

  41. What are the valence electrons for Br? • 4s24p5

  42. Additional for Honors Chemistry

  43. How does the atomic radius change going across a row and down a group on the periodic table?

  44. How does the atomic radius change going across a row and down a group on the periodic table? • Decreases across a row (period) • Decreases down a group

  45. How does the ionization energy change going across a period and down a group on the periodic table? • Increases across a row (period) • decreases down a group

  46. In the reaction AlPO4 + Ca(NO3)2 Al(NO3)3 + Ca3(PO4)2 Which product will form a precipitate?

  47. In the reaction AlPO4 + Ca(NO3)2 Al(NO3)3 + Ca3(PO4)2 Which product will form a precipitate? • Ca3(PO4)2

  48. In the reaction MgCl2 + Ag2(SO4)  Which product will form a precipitate?

  49. In the reaction MgCl2 + Ag2(SO4)  Which product will form a precipitate? • AgCl

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