1) A beta particle is best described as having: A positive charge and a mass number of 2
A negative charge and no mass
A positive charge and a mass number of 4
No electric charge and no mass

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dondre54

18.05.2021

Chemistry

I think the ratio of copper to iron will still be the same even if you add more nails in the beaker. This is because each nail placed is assumed to have the same composition with the other nails and is assumed to be homogeneous.

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1) A beta particle is best described as having: A positive charge and a mass number of 2 A negative charge and no mass A positive charge and a mass number of 4 No electric charge and no mass