Question

What is distance between nucleus and 3s orbital ?​

Answer 1

As we know that,

Rn=0.529n^2/Z A°

where, R=radius of nth orbit

n^2= nth orbit

Z= atomic mass

So, R3= 0.529x3^2/1 {where, Z=1 for hydrogen}

R3= 4.761 A° .

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