What is an alpha particle?
a complete helium atom
a complete helium atom, ,
the nucleus of a beta particle
the nucleus of a beta particle
a rogue valence electron
, , a rogue valence electron
two protons and two neutrons
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Ответ:
last option is the correct answer
Alpha particles are composite particles consisting of two protons and two neutrons tightly bound together
Ответ:
American are very stupid