The following are the properties of alpha
particles compared to better and gamma
They are
helium nuclei
They are the most ionizing
They are less penetrating than both gamma and
beta
They have the charge of +2e and mass of
approximately 4amu
They cannot penetrate human skin
They are slowest, their speed is in the order of 1.6 x 103m/s
They can be stop by paper, clothes, skin etc
They travel few centimeters in air
Deflected to negative pole in both magnetic and
electrostatic field
It is positively charged
They cause fluorescence in materials
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