d) Radius/density

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4 Terms

1
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  • the formula for the radius of a nucleus


  • R = r0A^(1/3)

    • radius of a nucleus (m) = radius of a proton (m) x nucleon number^(1/3)


2
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  • the radius of a proton


  • 1.2fm


3
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  • the mean density of a nucleus


  • 10^17kgm^-3


4
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  • the reason for such a large density


  • a nucleus has

    • a very small volume

    • and a very large relative mass