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Question
The electronic configuration of the elements A and B are 1s2, 2s2, 2p6, 3s2 and 1s2, 2s2, 2p5 respectively. The formula of the ionic compound that can be formed between these elements is
Options
AB
AB2
A2B
none of the above
MCQ
Solution
AB2
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Grouping of Elements Based on Electronic Configurations
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