Irene asked in Science & MathematicsPhysics · 2 months ago

Number of proton and neutron?

How to calculate c)?

Thanks

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  • 2 months ago
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    Mass of neutron = mass of proton = 1.0u approx.

    Total mass is 9.0u so there are 9 nucleons.

    Since charge is 4e we know there are 4 protons.

    Number of protons = 4

    Number of neutrons = 9 - 4 = 5

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