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anonymous

  • 4 years ago

How do you find the charge of certain compounds? Like CrI3

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  1. anonymous
    • 4 years ago
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    You must use the periodic table to figure out the group it's in.

  2. anonymous
    • 4 years ago
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    im not sure if you are trying to find the "formal charges" for this but if you are then you have to draw the lewis structure and then use the formula: # valence electron of the atom - lone pairs - # bonds = formal charge for example look at the lewis structure of water ( H2O ) if you want to know the charge of Oxygen then follow the formula: 6 -> valence electrons of oxygen 4 -> dots (lone pairs) 2 -> the number of bonds (with hydrogen) therefore: 6-4-2 = 0 so oxygen has a zero charge I hope this was what you looking for and I helped you :D Good luck!!!

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