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Ne4ueva [31]
4 years ago
11

Whats the answer to the question?

Chemistry
1 answer:
igomit [66]4 years ago
8 0
That is your equation that needs to be solved
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An unknown nucleus has twice the volume of a nucleus with 73 nucleons. what is the atomic mass number of the unknown nucleus?
lyudmila [28]

The atomic mass number of the unknown nucleus is 128.

The relationship between the radius of the nucleus r and the atomic mass A is given by

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=2 X \frac{4}{3} \pi (1.2 X 10^{-15})^{3} X 64\\\\=\frac{4}{3} \pi (1.2 X 10^{-15})^{3} X A

Thus, we find that the atomic mass number of the unknown nucleus is A=128

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