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JEE Main Chemistry question

ChemistryChemical Bonding and Molecular StructureJEE Main

The electronic configurations of four elements and are given below: ; ; ; . The formulae of the ionic compounds that can be formed between these elements are

Answer: (C)

Solution

() is oxygen-like, gaining 2 electrons to form . () is chlorine-like, gaining 1 electron to form . () is sodium-like, losing 1 electron to form . () is magnesium-like, losing 2 electrons to form

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Question ID VK-133420