Linked from
The 34 pages that link to Alpha particle, each with the reason it gives.
RadonRelated: Radon and its progeny emit alpha particles that can damage cells when inhaled.
Geiger–Marsden experimentRelated: These were the projectiles fired at the gold foil.
AstatineRelated: Astatine-211 releases alpha particles that deposit energy over short distances.
PoloniumRelated: Polonium’s principal decay emissions are alpha particles.
C. T. R. WilsonRelated: Alpha particles produced dense, conspicuous trails in Wilson’s chamber.
MendeleviumRelated: Alpha-particle bombardment of einsteinium-253 created mendelevium-256.
Helium atomRelated: An alpha particle is the helium-4 nucleus without its two electrons.