SC 130 Physical Science quiz 11 • Name:

  1. __________________ On Wednesday night I went free running with elements of parkour. En route this traceur practiced his atterrissage and up at PUC he did an équilibre. I covered 5.03 kilometers in 33 minutes and 40 seconds. What was my pace in minutes per kilometer?
  2. __________________ For my 5.03 kilometers in 33 minutes and 40 seconds free run, what was my speed meters per second?
  3. __________________ What is the atomic number for Nitrogen?
  4. __________________ How many protons does Nitrogen have?
  5. __________________ How many electrons does Nitrogen have?
  6. __________________ What is the atomic weight of Nitrogen?
  7. __________________ Is Nitrogen a diatomic molecule?
  8. __________________ How many electrons does Nitrogen have in the outer valence shell?
  9. __________________ How many more electrons does Nitrogen need in order to have a full "octet" of eight electrons in its outer shell?
  10. __________________ Given the above, how many hydrogens are likely to bond with Nitrogen? Remember, each hydrogen can contribute one electron to the Nitrogen.
  11. __________________ What is the chemical formula for the nitrogen-hydrogen compound?
  12. __________________ What is the common name in English for NaCl?
  13. __________________ What is the chemical name for NaCl?
  14. Complete the following reaction by writing in the correct coefficients:
    _____Na + ____Cl = NaCl
  15. Draw a Lewis electron dot diagram for NaCl.
  16. __________________ How many grams of Cl are needed to completely react with 23 grams of Na?
  17. __________________ What is the chemical name for H2S?
  18. Complete the following reaction by writing in the correct coefficients:
    _____H + ____S = H2S
  19. Draw a Lewis electron dot diagram for H2S.
  20. __________________ How many grams of S are needed to completely react with 2 grams of H?
  21. __________________ Toughie: What is the common name in English for nitrogen-hydrogen compound formed in number ten and eleven above when hydrogen and nitrogen react?

Physci • Courses • COMFSM