Question

How does the size of nucleus depend on its mass number ? Hence explain why the density of nuclear matter in independent of the size of nucleus?

Answer 1

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Answer 2

The size of the nucleus depends on its mass number. The density of nuclear matter is independent of the size of the nucleus.

Explanation:

• The mass number (A) or nucleon number is the number of protons plus the number of neutrons. Nuclear density is independent of the number of neutrons and the details of the number of protons, suggesting that the force between particles is essentially the same whether it is a proton or a neutron.
• The size of the nucleus depends on its mass number
• Therefore, the number density of nuclei is as follows. The density of a typical nucleus, expressed as a mass number, is constant and theoretically independent of A or r.
• The radius size R of the nucleus is related to its mass number A.

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