The Relationship ,Where a Is the Mass Number of a Nucleus and a Nucleus

question 72

Multiple Choice

The relationship
,where A is the mass number of a nucleus and r is it radius,implies which of the following about nuclei?

• A)Nuclei are cubic.
• B)Different nuclei have the same density.
• C)Neutrons in nuclei attract each other even though they have no charge.
• D)Nuclei tend to have the same ratio of protons to neutrons.

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Definitions:

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