Question

Find the radius of nucleus of an atom having atomic mass number equal to 125. ( Ro= 1.2 x 10-¹³ cm ) ?​

Answer 1

Answer:

The formula for calculating radius of nucleus

R=R

0

×A

(1/3)

where A =atomic mass

R=(1.3×10

−15

)(125)

(1/3)

=1.3×10

−15

×5

R=6.5×10

−15

m

Therefore,theradiusofnucleusofanatomis6.5×10

−15

.

Explanation:

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