Question

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what is alpha particle ?

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Answer 1

Answer:

a helium nucleus emitted by some radioactive substances, originally regarded as a ray.

or

Alpha particles, also called alpha rays or alpha radiation, consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus. They are generally produced in the process of alpha decay, but may also be produced in other ways.

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Answer 2

Explanation:

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Alpha particles, also called alpha rays or alpha radiation, consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus. They are generally produced in the process of alpha decay, but may also be produced in other ways.

Electric charge: +2 e

Symbol: α, α2+, He2+

Mass: 6.644657230(82)×10−27 kg; 4.001506179127(63) u; 3.727379378(23) GeV/c2

Statistic: Boson

Spin: 0

Composition: 2 protons, 2 neutrons