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Subham Panda Grade: 11
        
the  radius of which ion among the following is closest to Li+ ion??
  1. Na+
  2. Be+2
  3. Mg+2
  4. Al+3
one year ago

Answers : (1)

Vikas TU
6872 Points
										
Li+ becomes He after loosing one electron and hence achieves the stability.
Only Be2+ after loosing 2 electrons attains noble gas confg. of that He.
Hence Be2+ and Li+ would have similar radii and that is equal to the radii of the He atom. 
one year ago
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