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    • Thread Starter
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    What is the electronic configuration for CaO? How did you work it out? It's an exam question and I don't understand how to do it
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    What is the overall charge here? what group is O and Ca in? what does this mean?
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    Here's the EQ
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    If its question !c then its just wainting the electorn conig for Calcium so 1s2 2s2 2p6 etc
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    You have confused yourself because you misread the question, it says it wants the electron configuration for the calcium in calcium oxide. Like boromir said, you should know the charges on them.
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    Haha oh my, thanks a lot. Taught me to read the question properly :P Sorry and thanks!!
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    Do the atom (with a pencil), then for a metal, rub out the outer shell
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    what about b?
 
 
 
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