Question

what are alpha rays and alpha particles​

Answer 1

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

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Answer 2

Step-by-step explanation:

Alpha particles (a) are composite particles consisting of two protons and two neutrons tightly bound together (Figure 1). ... An alpha-particle is identical to the nucleus of a normal (atomic mass four) helium atom i.e. a doubly ionised helium atom.

An alpha ray is a stream of alpha particles. An alpha particle consists of two protons and two neutrons bound together into a particle identical to a helium nucleus. It is radioactive and is produced in the process of alpha decay. Alpha particles, like helium nuclei, have a net spin of zero.