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CBSE Class 10 Answered

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 | 26 Feb, 2013, 09:01: PM
answered-by-expert 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 | 27 Feb, 2013, 10:16: AM

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