ChemTopper Free Chemistry Help

Chemistry Homework Help => CBSE XI and XII Chemistry => Topic started by: Pranjal Singh on August 13, 2020, 05:56:02 AM

Title: Sub-atomic particles
Post by: Pranjal Singh on August 13, 2020, 05:56:02 AM
The approximate size of the nucleus of Ni (mass number-64) is_____
a) 3 fm
b) 4 fm
c) 5 fm
d) 2 fm
Title: Re: Sub-atomic particles
Post by: uma on August 15, 2020, 05:07:27 AM
Nuclear sizes obey roughly the following empirical relation


: r=R0 A 1/3


where r is the radius of the nucleus
R0 is a constant whose value is equal to 1.25 fm  (femo meters units)
A is atomic mass of element