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-   -   I can't remember the form of the valencies in chemistry ( or -)anyone know how? (https://www.askmehelpdesk.com/showthread.php?t=647333)

  • Mar 31, 2012, 07:08 AM
    trickster619
    I can't remember the form of the valencies in chemistry ( or -)anyone know how?
    Can anyone tell me of a clever way to remember if the valency is positive or negative?
  • Apr 2, 2012, 08:55 AM
    DrBob1
    You have to learn how to use the Periodic Table. It's your friend for this and many other tasks in Chemistry.

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