1 / 23

Polyatomic Ions

Polyatomic Ions. Part 1. Adam Janus. Stanley Janus and his fiancé Theresa. A Nurse’s Hunch. Helen Jensen. A nurse's hunch. Helen Jensen. Mary Kellerman. A a. Two off duty Chicago firefighters Philip Cappitelli and Richard Keyworth, make the connection.

lori
Download Presentation

Polyatomic Ions

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Polyatomic Ions Part 1

  2. Adam Janus

  3. Stanley Janus and his fiancé Theresa

  4. A Nurse’s Hunch Helen Jensen

  5. A nurse's hunch Helen Jensen

  6. Mary Kellerman A a

  7. Two off duty Chicago firefighters Philip Cappitelli and Richard Keyworth, make the connection

  8. Richard Keyworth of Elk Grove Village, remembering with a 25-year-old Newsweek magazine, helped link the deaths of those who died in 1982 from cyanide-laced Tylenol.

  9. Public Response

  10. Tylenol is pulled off shelves

  11. 160 poisoned Tylenol capsules were found. "This could have gone on for years without someone knowing about it.“ "Who knows how many could have died“, had the connection to Tylenol not been made so swiftly. Unfortunately the connection was still not swift enough. Tylenol is pulled off shelves

  12. Mary Reiner

  13. Mary McFarland

  14. Paula Prince

  15. Changes Made

  16. The case remains unsolved

  17. Cyanide • Cyanide is a polyatomic ion. A group of atoms with a charge. CNˉ • Note that the charge on this ion is not considered an oxidation number since it is not a charge on single atom.

  18. Polyatomic Ions

  19. Memorization Hints • There are only two positive polyatomic ions [ammonium & mercury(I)]. All other polyatomic ions are negative.

  20. Memorization Hints

  21. Memorization Hints

  22. Homework • Worksheet: Ions

More Related