Question

What Is The Mass Of Alpha Particle

Answer 1

Explanation:

Alpha particle consists of two neutrons and two protons, and is thus identical to the nucleus of a helium atom. The rest mass of the alpha particle amounts to 4 a.m.u which equals to about 6.644×10^-27 kg and its charge is +2e ie twice of a proton.

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Answer 2

Explanation:

Since the alpha particle is nothing but positively charged helium nuclei, it has charge of two time of that of the proton, as it is constituted of 2 protons. The rest mass of the alpha particle amounts to 6.64424·10-27 kg, or 3.7273·109 eV, which is almost 4 times of that of proton.