calculate the energy and radius of 2nd orbit to He+ ion give answer
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energy =-13.6*z^/n^2
=>E=-13.6*4/4,where z=no.of protons &n is no. of orbit
=>E=-13.6
Now,
radius=0.529*n^2/z Å
=>r=0.529*4/2 Å
=>r=0.264 Å
=>E=-13.6*4/4,where z=no.of protons &n is no. of orbit
=>E=-13.6
Now,
radius=0.529*n^2/z Å
=>r=0.529*4/2 Å
=>r=0.264 Å
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