Use Lewis theory to determine the formula for the compound that forms between the two elements listed: Al and N Mg and I Ca and S Al and F?

NetherCraft 0

1 Answer

  • First step in these problems is to figure out the charge that each element has

    1. Al and N

    Well..Aluminum has a +3 charge and Nitrogen has a -3 charge so you can just put them together since it is a 1:1 ratio of charges

    AlN (aluminum nitride)

    2. Mg and I

    Magnesium has a +2 charge and Iodine has -1 charge, so you would need 2 Iodine to cancel out the charge of the Magnesium

    MgI2 (Magnesium iodide)

    Repeat the same process for the remaining two compounds.

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