The radius of nucleus will be :
● Explanation required.
● Provide the proper steps.
Answers
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To Find :
We are asked to find radius of nucleus of atom.
Solution :
❖ Nuclear radius of atom can be calculated by using the following formula!
» denotes radius of nucleus
» A denotes mass number
» is a constant
♦ Mass number of = 27
By substituting the given values;
Knowledge BoosteR :
- Alpha particles scattering demonstrated that the radius of nucleus was smaller that the radius of an atom by a factor of about 10⁴. So the volume of a nucleus is about 10‾¹² times the volume of the atom.
- The nucleus contains more than 99.9% of the mass of an atom.
- Electrons, protons & neutrons are the most important fundamental particles of atoms of all elements.
- The volume of the nucleus is very small and is only a minute fraction of the total volume of the atom.
- Nucleus has a diameter of the order of 10‾¹² to 10‾¹³ cm and the atom has a diameter of the order of 10‾⁸ cm.
- Thus, diameter (size) of the atom is 1,00,000 times the diameter of the nucleus.
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