(chromated copper arsenate) for residential use. CCA-treated lumber has a light greenish color and was widely...

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(chromated copper arsenate) for residential use. CCA-treated lumber has a light greenish color and was widely used to build decks, sand boxes, and playground structures. Draw the Lewis structure of the arsenate ion (AsO43) that yields the most favorable formal charges. Double click on an atom to type a different element symbol. Click on the +- button to add a formal charge to an atom. (chromated copper arsenate) for residential use. CCA-treated lumber has a light greenish color and was widely used to build decks, sand boxes, and playground structures. Draw the Lewis structure of the arsenate ion (AsO43) that yields the most favorable formal charges. Double click on an atom to type a different element symbol. Click on the +- button to add a formal charge to an atom.