Verified Answer :

IsabellaRosette

The correct answer is 4 amu

An alpha particle has an atomic mass of 4 amu

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Answer:

4 amu

Explanation:

Rutherford verified that the alpha particle is a set of two protons and two neutrons, that is, it is the nucleus of the helium atom. It has an electric charge equal to + 2e, and a mass of 4.002764 units of atomic mass (amu), that is, almost 4 times the mass of the hydrogen atom.

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