Definitions
There is 1 meaning of the phrase
Alpha Particle.
Alpha Particle - as a noun
A positively charged particle that is the nucleus of the helium atom; emitted from natural or radioactive isotopes
Example Sentences
"An alpha particle is a positively charged particle consisting of two protons and two neutrons."
"The emission of an alpha particle from a radioactive nucleus is called alpha decay."
"Cloud chambers can be used to visualize the tracks of alpha particles."
"The collision of an alpha particle with a material can cause significant damage."
"The speed of alpha particles is typically a significant fraction of the speed of light."
