The Relationship , Where a Is the Mass Number

question 62

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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