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An element has electronic configuration 2,1 and another element has electronic configuration 2,8,1. Which of them forms more number of compounds and why?

Asked by Akriti 26th February 2013, 9:01 PM
Answered by Expert
Answer:
Second one is far more reactive because it's bigger. 

Its outermost (valence) electron is shielded much more than in lithium, so it takes much less energy to donate it when reacting.
Answered by Expert 27th February 2013, 10:16 AM
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