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The elctronic configuration of 4 elements are L:1s2-2s2-2p4;Q: 1s2-2s2-2p6-3s2-3p5;P: 1s2-2s2-2p6-3s1; R:1s2-2s2-2p6-3s2.


The formulae of ionic compounds that could be formed between them are : (options)

1. L2P,RL,PQ,RQ

2.P2L,RL,PQ,RQ2

Please explain how to solve.


30-Apr-2016 11:13 AM
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