Question

What is the charge and mass of an alpha particle?

Answer 1

Answer:

Alpha particle is a helium nucleus containing two protons and two neutrons so its charge is twice the proton's charge while the mass is about 4 times greater. Let the charge of the proton be +e, then the charge of the alpha particle will be +2e.

Explanation:

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Answer 2

Explanation:

Similarly, when Helium atoms lose all the electrons it becomes an alpha particle. So an alpha particle is denoted as He. This means that alpha particle is having a charge of +2e,but it has four times that mass of proton as it has two neutrons also.

An alpha particle (4He) has a mass of 4.00300 amu.