An alpha particle 1) is identical to a helium nucleus 2) can penetrate a sheet of aluminum 3) has a negative charge 4) all of these

asked Oct 12, 2020 221k views

2 votes

An alpha particle

1) is identical to a helium nucleus
2) can penetrate a sheet of aluminum
3) has a negative charge
4) all of these

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An alpha particle is identical to a helium nucleus ... 2 protons, 2 neutrons. (1)

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