F3 Interclass Biology Chemistry Competition

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Elements X and Y form an ionic compound with chemical formula X₂Y. If the ion of X and ion of Y have the same electronic arrangement, which of the following could be the compound? Elements X and Y form an ionic compound with chemical formula X₂Y. If the ion of X and ion of Y have the same electronic arrangement, which of the following could be the compound?
20
Potassium sulphide
Magnesium oxide
Lithium oxide
Aluminium oxide

1 question

Q.

Elements X and Y form an ionic compound with chemical formula X₂Y. If the ion of X and ion of Y have the same electronic arrangement, which of the following could be the compound? Elements X and Y form an ionic compound with chemical formula X₂Y. If the ion of X and ion of Y have the same electronic arrangement, which of the following could be the compound?

1

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