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What composed an alpha particle?​

Sagot :

Answer:

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.

Explanation:

How Alpha particles are formed?

An alpha particle is produced by the alpha decay of a radioactive nucleus. Because the nucleus is unstable a piece of it is ejected, allowing the nucleus to reach a more stable state. ... An interesting thing about alpha particles is that they do not penetrate far through matter (unlike beta or gamma radiation).

Answer:

Alpha particles (a) are composite particles consisting of two protons and two neutrons tightly bound together (Figure 1).