Question

Fictitious elements J, K, and L combine with oxygen to form the oxides LO, J,O, and K,o. Which of these elements belong to the same group? 5. 6. Solutions of the fictitious elements D, E, and G react in the following way with ammonium carbonate, (NHJ CO: D forms a precipitate, E is unchanged, and G forms a precipitate. Which of these elements belong to the same group?


I don't know how to find the answer to either 5 OR 6. Can you please help me understand how I'm supposed to know?

There is some debate with a lab partner, she feels that #5 should be J2O and K2O, but I thought it should be LO, because it is a 1:1 ratio. But I can't find confirmation of that.

Thanks for the help!

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